20345086720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:971

約数の個数: 288

約数和(自身を含む): 58207887360

約数和(自身を除く): 37862800640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 89, 112, 124, 128, 140, 155, 160, 178, 217, 224, 248, 256, 280, 310, 320, 356, 434, 445, 448, 496, 560, 620, 623, 640, 712, 823, 868, 890, 896, 992, 1085, 1120, 1240, 1246, 1280, 1424, 1646, 1736, 1780, 1792, 1984, 2170, 2240, 2480, 2492, 2759, 2848, 3115, 3292, 3472, 3560, 3968, 4115, 4340, 4480, 4960, 4984, 5518, 5696, 5761, 6230, 6584, 6944, 7120, 7936, 8230, 8680, 8960, 9920, 9968, 11036, 11392, 11522, 12460, 13168, 13795, 13888, 14240, 16460, 17360, 19313, 19840, 19936, 22072, 22784, 23044, 24920, 25513, 26336, 27590, 27776, 28480, 28805, 32920, 34720, 38626, 39680, 39872, 44144, 46088, 49840, 51026, 52672, 55180, 55552, 56960, 57610, 65840, 69440, 73247, 77252, 79744, 88288, 92176, 96565, 99680, 102052, 105344, 110360, 113920, 115220, 127565, 131680, 138880, 146494, 154504, 159488, 176576, 178591, 184352, 193130, 199360, 204104, 210688, 220720, 230440, 255130, 263360, 277760, 292988, 309008, 353152, 357182, 366235, 368704, 386260, 398720, 408208, 441440, 460880, 510260, 512729, 526720, 585976, 618016, 706304, 714364, 732470, 737408, 772520, 797440, 816416, 882880, 892955, 921760, 1020520, 1025458, 1053440, 1171952, 1236032, 1428728, 1464940, 1474816, 1545040, 1632832, 1765760, 1785910, 1843520, 2041040, 2050916, 2270657, 2343904, 2472064, 2563645, 2857456, 2929880, 3090080, 3265664, 3531520, 3571820, 3687040, 4082080, 4101832, 4541314, 4687808, 4944128, 5127290, 5714912, 5859760, 6180160, 6531328, 7143640, 7374080, 8164160, 8203664, 9082628, 9375616, 10254580, 11353285, 11429824, 11719520, 12360320, 14287280, 15894599, 16328320, 16407328, 18165256, 18751232, 20509160, 22706570, 22859648, 23439040, 24720640, 28574560, 31789198, 32656640, 32814656, 36330512, 41018320, 45413140, 45719296, 46878080, 57149120, 63578396, 65629312, 72661024, 79472995, 82036640, 90826280, 93756160, 114298240, 127156792, 131258624, 145322048, 158945990, 164073280, 181652560, 228596480, 254313584, 290644096, 317891980, 328146560, 363305120, 508627168, 581288192, 635783960, 656293120, 726610240, 1017254336, 1271567920, 1453220480, 2034508672, 2543135840, 2906440960, 4069017344, 5086271680, 10172543360, 20345086720]

約数ペア:

[(1, 20345086720), (2, 10172543360), (4, 5086271680), (5, 4069017344), (7, 2906440960), (8, 2543135840), (10, 2034508672), (14, 1453220480), (16, 1271567920), (20, 1017254336), (28, 726610240), (31, 656293120), (32, 635783960), (35, 581288192), (40, 508627168), (56, 363305120), (62, 328146560), (64, 317891980), (70, 290644096), (80, 254313584), (89, 228596480), (112, 181652560), (124, 164073280), (128, 158945990), (140, 145322048), (155, 131258624), (160, 127156792), (178, 114298240), (217, 93756160), (224, 90826280), (248, 82036640), (256, 79472995), (280, 72661024), (310, 65629312), (320, 63578396), (356, 57149120), (434, 46878080), (445, 45719296), (448, 45413140), (496, 41018320), (560, 36330512), (620, 32814656), (623, 32656640), (640, 31789198), (712, 28574560), (823, 24720640), (868, 23439040), (890, 22859648), (896, 22706570), (992, 20509160), (1085, 18751232), (1120, 18165256), (1240, 16407328), (1246, 16328320), (1280, 15894599), (1424, 14287280), (1646, 12360320), (1736, 11719520), (1780, 11429824), (1792, 11353285), (1984, 10254580), (2170, 9375616), (2240, 9082628), (2480, 8203664), (2492, 8164160), (2759, 7374080), (2848, 7143640), (3115, 6531328), (3292, 6180160), (3472, 5859760), (3560, 5714912), (3968, 5127290), (4115, 4944128), (4340, 4687808), (4480, 4541314), (4960, 4101832), (4984, 4082080), (5518, 3687040), (5696, 3571820), (5761, 3531520), (6230, 3265664), (6584, 3090080), (6944, 2929880), (7120, 2857456), (7936, 2563645), (8230, 2472064), (8680, 2343904), (8960, 2270657), (9920, 2050916), (9968, 2041040), (11036, 1843520), (11392, 1785910), (11522, 1765760), (12460, 1632832), (13168, 1545040), (13795, 1474816), (13888, 1464940), (14240, 1428728), (16460, 1236032), (17360, 1171952), (19313, 1053440), (19840, 1025458), (19936, 1020520), (22072, 921760), (22784, 892955), (23044, 882880), (24920, 816416), (25513, 797440), (26336, 772520), (27590, 737408), (27776, 732470), (28480, 714364), (28805, 706304), (32920, 618016), (34720, 585976), (38626, 526720), (39680, 512729), (39872, 510260), (44144, 460880), (46088, 441440), (49840, 408208), (51026, 398720), (52672, 386260), (55180, 368704), (55552, 366235), (56960, 357182), (57610, 353152), (65840, 309008), (69440, 292988), (73247, 277760), (77252, 263360), (79744, 255130), (88288, 230440), (92176, 220720), (96565, 210688), (99680, 204104), (102052, 199360), (105344, 193130), (110360, 184352), (113920, 178591), (115220, 176576), (127565, 159488), (131680, 154504), (138880, 146494)]