20919091200

素因数分解:

$2^{21}\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1$

素因数の和:81

約数の個数: 528

約数和(自身を含む): 83214971520

約数和(自身を除く): 62295880320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 32, 35, 38, 40, 42, 48, 50, 56, 57, 60, 64, 70, 75, 76, 80, 84, 95, 96, 100, 105, 112, 114, 120, 128, 133, 140, 150, 152, 160, 168, 175, 190, 192, 200, 210, 224, 228, 240, 256, 266, 280, 285, 300, 304, 320, 336, 350, 380, 384, 399, 400, 420, 448, 456, 475, 480, 512, 525, 532, 560, 570, 600, 608, 640, 665, 672, 700, 760, 768, 798, 800, 840, 896, 912, 950, 960, 1024, 1050, 1064, 1120, 1140, 1200, 1216, 1280, 1330, 1344, 1400, 1425, 1520, 1536, 1596, 1600, 1680, 1792, 1824, 1900, 1920, 1995, 2048, 2100, 2128, 2240, 2280, 2400, 2432, 2560, 2660, 2688, 2800, 2850, 3040, 3072, 3192, 3200, 3325, 3360, 3584, 3648, 3800, 3840, 3990, 4096, 4200, 4256, 4480, 4560, 4800, 4864, 5120, 5320, 5376, 5600, 5700, 6080, 6144, 6384, 6400, 6650, 6720, 7168, 7296, 7600, 7680, 7980, 8192, 8400, 8512, 8960, 9120, 9600, 9728, 9975, 10240, 10640, 10752, 11200, 11400, 12160, 12288, 12768, 12800, 13300, 13440, 14336, 14592, 15200, 15360, 15960, 16384, 16800, 17024, 17920, 18240, 19200, 19456, 19950, 20480, 21280, 21504, 22400, 22800, 24320, 24576, 25536, 25600, 26600, 26880, 28672, 29184, 30400, 30720, 31920, 32768, 33600, 34048, 35840, 36480, 38400, 38912, 39900, 40960, 42560, 43008, 44800, 45600, 48640, 49152, 51072, 51200, 53200, 53760, 57344, 58368, 60800, 61440, 63840, 65536, 67200, 68096, 71680, 72960, 76800, 77824, 79800, 81920, 85120, 86016, 89600, 91200, 97280, 98304, 102144, 102400, 106400, 107520, 114688, 116736, 121600, 122880, 127680, 131072, 134400, 136192, 143360, 145920, 153600, 155648, 159600, 163840, 170240, 172032, 179200, 182400, 194560, 196608, 204288, 204800, 212800, 215040, 229376, 233472, 243200, 245760, 255360, 262144, 268800, 272384, 286720, 291840, 307200, 311296, 319200, 327680, 340480, 344064, 358400, 364800, 389120, 393216, 408576, 409600, 425600, 430080, 458752, 466944, 486400, 491520, 510720, 524288, 537600, 544768, 573440, 583680, 614400, 622592, 638400, 655360, 680960, 688128, 716800, 729600, 778240, 786432, 817152, 819200, 851200, 860160, 917504, 933888, 972800, 983040, 1021440, 1048576, 1075200, 1089536, 1146880, 1167360, 1228800, 1245184, 1276800, 1310720, 1361920, 1376256, 1433600, 1459200, 1556480, 1572864, 1634304, 1638400, 1702400, 1720320, 1835008, 1867776, 1945600, 1966080, 2042880, 2097152, 2150400, 2179072, 2293760, 2334720, 2457600, 2490368, 2553600, 2621440, 2723840, 2752512, 2867200, 2918400, 3112960, 3145728, 3268608, 3276800, 3404800, 3440640, 3670016, 3735552, 3891200, 3932160, 4085760, 4300800, 4358144, 4587520, 4669440, 4915200, 4980736, 5107200, 5242880, 5447680, 5505024, 5734400, 5836800, 6225920, 6291456, 6537216, 6553600, 6809600, 6881280, 7340032, 7471104, 7782400, 7864320, 8171520, 8601600, 8716288, 9175040, 9338880, 9830400, 9961472, 10214400, 10485760, 10895360, 11010048, 11468800, 11673600, 12451840, 13074432, 13107200, 13619200, 13762560, 14680064, 14942208, 15564800, 15728640, 16343040, 17203200, 17432576, 18350080, 18677760, 19660800, 19922944, 20428800, 21790720, 22020096, 22937600, 23347200, 24903680, 26148864, 26214400, 27238400, 27525120, 29884416, 31129600, 31457280, 32686080, 34406400, 34865152, 36700160, 37355520, 39321600, 39845888, 40857600, 43581440, 44040192, 45875200, 46694400, 49807360, 52297728, 52428800, 54476800, 55050240, 59768832, 62259200, 65372160, 68812800, 69730304, 73400320, 74711040, 78643200, 81715200, 87162880, 91750400, 93388800, 99614720, 104595456, 108953600, 110100480, 119537664, 124518400, 130744320, 137625600, 139460608, 149422080, 157286400, 163430400, 174325760, 183500800, 186777600, 199229440, 209190912, 217907200, 220200960, 249036800, 261488640, 275251200, 278921216, 298844160, 326860800, 348651520, 367001600, 373555200, 418381824, 435814400, 498073600, 522977280, 550502400, 597688320, 653721600, 697303040, 747110400, 836763648, 871628800, 996147200, 1045954560, 1101004800, 1307443200, 1394606080, 1494220800, 1743257600, 2091909120, 2614886400, 2988441600, 3486515200, 4183818240, 5229772800, 6973030400, 10459545600, 20919091200]

約数ペア:

[(1, 20919091200), (2, 10459545600), (3, 6973030400), (4, 5229772800), (5, 4183818240), (6, 3486515200), (7, 2988441600), (8, 2614886400), (10, 2091909120), (12, 1743257600), (14, 1494220800), (15, 1394606080), (16, 1307443200), (19, 1101004800), (20, 1045954560), (21, 996147200), (24, 871628800), (25, 836763648), (28, 747110400), (30, 697303040), (32, 653721600), (35, 597688320), (38, 550502400), (40, 522977280), (42, 498073600), (48, 435814400), (50, 418381824), (56, 373555200), (57, 367001600), (60, 348651520), (64, 326860800), (70, 298844160), (75, 278921216), (76, 275251200), (80, 261488640), (84, 249036800), (95, 220200960), (96, 217907200), (100, 209190912), (105, 199229440), (112, 186777600), (114, 183500800), (120, 174325760), (128, 163430400), (133, 157286400), (140, 149422080), (150, 139460608), (152, 137625600), (160, 130744320), (168, 124518400), (175, 119537664), (190, 110100480), (192, 108953600), (200, 104595456), (210, 99614720), (224, 93388800), (228, 91750400), (240, 87162880), (256, 81715200), (266, 78643200), (280, 74711040), (285, 73400320), (300, 69730304), (304, 68812800), (320, 65372160), (336, 62259200), (350, 59768832), (380, 55050240), (384, 54476800), (399, 52428800), (400, 52297728), (420, 49807360), (448, 46694400), (456, 45875200), (475, 44040192), (480, 43581440), (512, 40857600), (525, 39845888), (532, 39321600), (560, 37355520), (570, 36700160), (600, 34865152), (608, 34406400), (640, 32686080), (665, 31457280), (672, 31129600), (700, 29884416), (760, 27525120), (768, 27238400), (798, 26214400), (800, 26148864), (840, 24903680), (896, 23347200), (912, 22937600), (950, 22020096), (960, 21790720), (1024, 20428800), (1050, 19922944), (1064, 19660800), (1120, 18677760), (1140, 18350080), (1200, 17432576), (1216, 17203200), (1280, 16343040), (1330, 15728640), (1344, 15564800), (1400, 14942208), (1425, 14680064), (1520, 13762560), (1536, 13619200), (1596, 13107200), (1600, 13074432), (1680, 12451840), (1792, 11673600), (1824, 11468800), (1900, 11010048), (1920, 10895360), (1995, 10485760), (2048, 10214400), (2100, 9961472), (2128, 9830400), (2240, 9338880), (2280, 9175040), (2400, 8716288), (2432, 8601600), (2560, 8171520), (2660, 7864320), (2688, 7782400), (2800, 7471104), (2850, 7340032), (3040, 6881280), (3072, 6809600), (3192, 6553600), (3200, 6537216), (3325, 6291456), (3360, 6225920), (3584, 5836800), (3648, 5734400), (3800, 5505024), (3840, 5447680), (3990, 5242880), (4096, 5107200), (4200, 4980736), (4256, 4915200), (4480, 4669440), (4560, 4587520), (4800, 4358144), (4864, 4300800), (5120, 4085760), (5320, 3932160), (5376, 3891200), (5600, 3735552), (5700, 3670016), (6080, 3440640), (6144, 3404800), (6384, 3276800), (6400, 3268608), (6650, 3145728), (6720, 3112960), (7168, 2918400), (7296, 2867200), (7600, 2752512), (7680, 2723840), (7980, 2621440), (8192, 2553600), (8400, 2490368), (8512, 2457600), (8960, 2334720), (9120, 2293760), (9600, 2179072), (9728, 2150400), (9975, 2097152), (10240, 2042880), (10640, 1966080), (10752, 1945600), (11200, 1867776), (11400, 1835008), (12160, 1720320), (12288, 1702400), (12768, 1638400), (12800, 1634304), (13300, 1572864), (13440, 1556480), (14336, 1459200), (14592, 1433600), (15200, 1376256), (15360, 1361920), (15960, 1310720), (16384, 1276800), (16800, 1245184), (17024, 1228800), (17920, 1167360), (18240, 1146880), (19200, 1089536), (19456, 1075200), (19950, 1048576), (20480, 1021440), (21280, 983040), (21504, 972800), (22400, 933888), (22800, 917504), (24320, 860160), (24576, 851200), (25536, 819200), (25600, 817152), (26600, 786432), (26880, 778240), (28672, 729600), (29184, 716800), (30400, 688128), (30720, 680960), (31920, 655360), (32768, 638400), (33600, 622592), (34048, 614400), (35840, 583680), (36480, 573440), (38400, 544768), (38912, 537600), (39900, 524288), (40960, 510720), (42560, 491520), (43008, 486400), (44800, 466944), (45600, 458752), (48640, 430080), (49152, 425600), (51072, 409600), (51200, 408576), (53200, 393216), (53760, 389120), (57344, 364800), (58368, 358400), (60800, 344064), (61440, 340480), (63840, 327680), (65536, 319200), (67200, 311296), (68096, 307200), (71680, 291840), (72960, 286720), (76800, 272384), (77824, 268800), (79800, 262144), (81920, 255360), (85120, 245760), (86016, 243200), (89600, 233472), (91200, 229376), (97280, 215040), (98304, 212800), (102144, 204800), (102400, 204288), (106400, 196608), (107520, 194560), (114688, 182400), (116736, 179200), (121600, 172032), (122880, 170240), (127680, 163840), (131072, 159600), (134400, 155648), (136192, 153600), (143360, 145920)]