20194032760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{3907}}^1$

素因数の和:4637

約数の個数: 128

約数和(自身を含む): 52572291840

約数和(自身を除く): 32378259080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 691, 748, 935, 1382, 1496, 1870, 2764, 3455, 3740, 3907, 5528, 6910, 7480, 7601, 7814, 11747, 13820, 15202, 15628, 19535, 23494, 27640, 30404, 31256, 38005, 39070, 42977, 46988, 58735, 60808, 66419, 76010, 78140, 85954, 93976, 117470, 129217, 132838, 152020, 156280, 171908, 214885, 234940, 258434, 265676, 304040, 332095, 343816, 429770, 469880, 516868, 531352, 646085, 664190, 730609, 859540, 1033736, 1292170, 1328380, 1461218, 1719080, 2584340, 2656760, 2699737, 2922436, 3653045, 5168680, 5399474, 5844872, 7306090, 10798948, 13498685, 14612180, 21597896, 26997370, 29224360, 29697107, 45895529, 53994740, 59394214, 91791058, 107989480, 118788428, 148485535, 183582116, 229477645, 237576856, 296971070, 367164232, 458955290, 504850819, 593942140, 917910580, 1009701638, 1187884280, 1835821160, 2019403276, 2524254095, 4038806552, 5048508190, 10097016380, 20194032760]

約数ペア:

[(1, 20194032760), (2, 10097016380), (4, 5048508190), (5, 4038806552), (8, 2524254095), (10, 2019403276), (11, 1835821160), (17, 1187884280), (20, 1009701638), (22, 917910580), (34, 593942140), (40, 504850819), (44, 458955290), (55, 367164232), (68, 296971070), (85, 237576856), (88, 229477645), (110, 183582116), (136, 148485535), (170, 118788428), (187, 107989480), (220, 91791058), (340, 59394214), (374, 53994740), (440, 45895529), (680, 29697107), (691, 29224360), (748, 26997370), (935, 21597896), (1382, 14612180), (1496, 13498685), (1870, 10798948), (2764, 7306090), (3455, 5844872), (3740, 5399474), (3907, 5168680), (5528, 3653045), (6910, 2922436), (7480, 2699737), (7601, 2656760), (7814, 2584340), (11747, 1719080), (13820, 1461218), (15202, 1328380), (15628, 1292170), (19535, 1033736), (23494, 859540), (27640, 730609), (30404, 664190), (31256, 646085), (38005, 531352), (39070, 516868), (42977, 469880), (46988, 429770), (58735, 343816), (60808, 332095), (66419, 304040), (76010, 265676), (78140, 258434), (85954, 234940), (93976, 214885), (117470, 171908), (129217, 156280), (132838, 152020)]