20042874880

素因数分解:

$2^{17}\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 288

約数和(自身を含む): 58434820416

約数和(自身を除く): 38391945536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 257, 272, 280, 320, 340, 448, 476, 512, 514, 544, 560, 595, 640, 680, 896, 952, 1024, 1028, 1088, 1120, 1190, 1280, 1285, 1360, 1792, 1799, 1904, 2048, 2056, 2176, 2240, 2380, 2560, 2570, 2720, 3584, 3598, 3808, 4096, 4112, 4352, 4369, 4480, 4760, 5120, 5140, 5440, 7168, 7196, 7616, 8192, 8224, 8704, 8738, 8960, 8995, 9520, 10240, 10280, 10880, 14336, 14392, 15232, 16384, 16448, 17408, 17476, 17920, 17990, 19040, 20480, 20560, 21760, 21845, 28672, 28784, 30464, 30583, 32768, 32896, 34816, 34952, 35840, 35980, 38080, 40960, 41120, 43520, 43690, 57344, 57568, 60928, 61166, 65536, 65792, 69632, 69904, 71680, 71960, 76160, 81920, 82240, 87040, 87380, 114688, 115136, 121856, 122332, 131072, 131584, 139264, 139808, 143360, 143920, 152320, 152915, 163840, 164480, 174080, 174760, 229376, 230272, 243712, 244664, 263168, 278528, 279616, 286720, 287840, 304640, 305830, 327680, 328960, 348160, 349520, 458752, 460544, 487424, 489328, 526336, 557056, 559232, 573440, 575680, 609280, 611660, 655360, 657920, 696320, 699040, 917504, 921088, 974848, 978656, 1052672, 1114112, 1118464, 1146880, 1151360, 1218560, 1223320, 1315840, 1392640, 1398080, 1842176, 1949696, 1957312, 2105344, 2228224, 2236928, 2293760, 2302720, 2437120, 2446640, 2631680, 2785280, 2796160, 3684352, 3899392, 3914624, 4210688, 4473856, 4587520, 4605440, 4874240, 4893280, 5263360, 5570560, 5592320, 7368704, 7798784, 7829248, 8421376, 8947712, 9210880, 9748480, 9786560, 10526720, 11141120, 11184640, 14737408, 15597568, 15658496, 16842752, 17895424, 18421760, 19496960, 19573120, 21053440, 22369280, 29474816, 31316992, 33685504, 35790848, 36843520, 38993920, 39146240, 42106880, 44738560, 58949632, 62633984, 71581696, 73687040, 77987840, 78292480, 84213760, 89477120, 117899264, 125267968, 143163392, 147374080, 156584960, 168427520, 178954240, 235798528, 250535936, 286326784, 294748160, 313169920, 357908480, 501071872, 572653568, 589496320, 626339840, 715816960, 1002143744, 1178992640, 1252679680, 1431633920, 2004287488, 2505359360, 2863267840, 4008574976, 5010718720, 10021437440, 20042874880]

約数ペア:

[(1, 20042874880), (2, 10021437440), (4, 5010718720), (5, 4008574976), (7, 2863267840), (8, 2505359360), (10, 2004287488), (14, 1431633920), (16, 1252679680), (17, 1178992640), (20, 1002143744), (28, 715816960), (32, 626339840), (34, 589496320), (35, 572653568), (40, 501071872), (56, 357908480), (64, 313169920), (68, 294748160), (70, 286326784), (80, 250535936), (85, 235798528), (112, 178954240), (119, 168427520), (128, 156584960), (136, 147374080), (140, 143163392), (160, 125267968), (170, 117899264), (224, 89477120), (238, 84213760), (256, 78292480), (257, 77987840), (272, 73687040), (280, 71581696), (320, 62633984), (340, 58949632), (448, 44738560), (476, 42106880), (512, 39146240), (514, 38993920), (544, 36843520), (560, 35790848), (595, 33685504), (640, 31316992), (680, 29474816), (896, 22369280), (952, 21053440), (1024, 19573120), (1028, 19496960), (1088, 18421760), (1120, 17895424), (1190, 16842752), (1280, 15658496), (1285, 15597568), (1360, 14737408), (1792, 11184640), (1799, 11141120), (1904, 10526720), (2048, 9786560), (2056, 9748480), (2176, 9210880), (2240, 8947712), (2380, 8421376), (2560, 7829248), (2570, 7798784), (2720, 7368704), (3584, 5592320), (3598, 5570560), (3808, 5263360), (4096, 4893280), (4112, 4874240), (4352, 4605440), (4369, 4587520), (4480, 4473856), (4760, 4210688), (5120, 3914624), (5140, 3899392), (5440, 3684352), (7168, 2796160), (7196, 2785280), (7616, 2631680), (8192, 2446640), (8224, 2437120), (8704, 2302720), (8738, 2293760), (8960, 2236928), (8995, 2228224), (9520, 2105344), (10240, 1957312), (10280, 1949696), (10880, 1842176), (14336, 1398080), (14392, 1392640), (15232, 1315840), (16384, 1223320), (16448, 1218560), (17408, 1151360), (17476, 1146880), (17920, 1118464), (17990, 1114112), (19040, 1052672), (20480, 978656), (20560, 974848), (21760, 921088), (21845, 917504), (28672, 699040), (28784, 696320), (30464, 657920), (30583, 655360), (32768, 611660), (32896, 609280), (34816, 575680), (34952, 573440), (35840, 559232), (35980, 557056), (38080, 526336), (40960, 489328), (41120, 487424), (43520, 460544), (43690, 458752), (57344, 349520), (57568, 348160), (60928, 328960), (61166, 327680), (65536, 305830), (65792, 304640), (69632, 287840), (69904, 286720), (71680, 279616), (71960, 278528), (76160, 263168), (81920, 244664), (82240, 243712), (87040, 230272), (87380, 229376), (114688, 174760), (115136, 174080), (121856, 164480), (122332, 163840), (131072, 152915), (131584, 152320), (139264, 143920), (139808, 143360)]