20675270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2441}}^1$

素因数の和:2477

約数の個数: 48

約数和(自身を含む): 46769184

約数和(自身を除く): 26093914

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2441, 4235, 4882, 8470, 12205, 17087, 24410, 26851, 34174, 53702, 85435, 134255, 170870, 187957, 268510, 295361, 375914, 590722, 939785, 1476805, 1879570, 2067527, 2953610, 4135054, 10337635, 20675270]

約数ペア:

[(1, 20675270), (2, 10337635), (5, 4135054), (7, 2953610), (10, 2067527), (11, 1879570), (14, 1476805), (22, 939785), (35, 590722), (55, 375914), (70, 295361), (77, 268510), (110, 187957), (121, 170870), (154, 134255), (242, 85435), (385, 53702), (605, 34174), (770, 26851), (847, 24410), (1210, 17087), (1694, 12205), (2441, 8470), (4235, 4882)]