20404660080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{18047}}^1$

素因数の和:18743

約数の個数: 160

約数和(自身を含む): 72402223104

約数和(自身を除く): 51997563024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 673, 840, 1346, 1680, 2019, 2692, 3365, 4038, 4711, 5384, 6730, 8076, 9422, 10095, 10768, 13460, 14133, 16152, 18047, 18844, 20190, 23555, 26920, 28266, 32304, 36094, 37688, 40380, 47110, 53840, 54141, 56532, 70665, 72188, 75376, 80760, 90235, 94220, 108282, 113064, 126329, 141330, 144376, 161520, 180470, 188440, 216564, 226128, 252658, 270705, 282660, 288752, 360940, 376880, 378987, 433128, 505316, 541410, 565320, 631645, 721880, 757974, 866256, 1010632, 1082820, 1130640, 1263290, 1443760, 1515948, 1894935, 2021264, 2165640, 2526580, 3031896, 3789870, 4331280, 5053160, 6063792, 7579740, 10106320, 12145631, 15159480, 24291262, 30318960, 36436893, 48582524, 60728155, 72873786, 85019417, 97165048, 121456310, 145747572, 170038834, 182184465, 194330096, 242912620, 255058251, 291495144, 340077668, 364368930, 425097085, 485825240, 510116502, 582990288, 680155336, 728737860, 850194170, 971650480, 1020233004, 1275291255, 1360310672, 1457475720, 1700388340, 2040466008, 2550582510, 2914951440, 3400776680, 4080932016, 5101165020, 6801553360, 10202330040, 20404660080]

約数ペア:

[(1, 20404660080), (2, 10202330040), (3, 6801553360), (4, 5101165020), (5, 4080932016), (6, 3400776680), (7, 2914951440), (8, 2550582510), (10, 2040466008), (12, 1700388340), (14, 1457475720), (15, 1360310672), (16, 1275291255), (20, 1020233004), (21, 971650480), (24, 850194170), (28, 728737860), (30, 680155336), (35, 582990288), (40, 510116502), (42, 485825240), (48, 425097085), (56, 364368930), (60, 340077668), (70, 291495144), (80, 255058251), (84, 242912620), (105, 194330096), (112, 182184465), (120, 170038834), (140, 145747572), (168, 121456310), (210, 97165048), (240, 85019417), (280, 72873786), (336, 60728155), (420, 48582524), (560, 36436893), (673, 30318960), (840, 24291262), (1346, 15159480), (1680, 12145631), (2019, 10106320), (2692, 7579740), (3365, 6063792), (4038, 5053160), (4711, 4331280), (5384, 3789870), (6730, 3031896), (8076, 2526580), (9422, 2165640), (10095, 2021264), (10768, 1894935), (13460, 1515948), (14133, 1443760), (16152, 1263290), (18047, 1130640), (18844, 1082820), (20190, 1010632), (23555, 866256), (26920, 757974), (28266, 721880), (32304, 631645), (36094, 565320), (37688, 541410), (40380, 505316), (47110, 433128), (53840, 378987), (54141, 376880), (56532, 360940), (70665, 288752), (72188, 282660), (75376, 270705), (80760, 252658), (90235, 226128), (94220, 216564), (108282, 188440), (113064, 180470), (126329, 161520), (141330, 144376)]