20146758940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1189301}}^1$

素因数の和:1189339

約数の個数: 72

約数和(自身を含む): 53147527776

約数和(自身を除く): 33000768836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 1189301, 2378602, 4757204, 5946505, 8325107, 11893010, 13082311, 16650214, 23786020, 26164622, 33300428, 41625535, 52329244, 65411555, 83251070, 91576177, 130823110, 143905421, 166502140, 183152354, 261646220, 287810842, 366304708, 457880885, 575621684, 719527105, 915761770, 1007337947, 1439054210, 1831523540, 2014675894, 2878108420, 4029351788, 5036689735, 10073379470, 20146758940]

約数ペア:

[(1, 20146758940), (2, 10073379470), (4, 5036689735), (5, 4029351788), (7, 2878108420), (10, 2014675894), (11, 1831523540), (14, 1439054210), (20, 1007337947), (22, 915761770), (28, 719527105), (35, 575621684), (44, 457880885), (55, 366304708), (70, 287810842), (77, 261646220), (110, 183152354), (121, 166502140), (140, 143905421), (154, 130823110), (220, 91576177), (242, 83251070), (308, 65411555), (385, 52329244), (484, 41625535), (605, 33300428), (770, 26164622), (847, 23786020), (1210, 16650214), (1540, 13082311), (1694, 11893010), (2420, 8325107), (3388, 5946505), (4235, 4757204), (8470, 2378602), (16940, 1189301)]