20270510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{647}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 39517632

約数和(自身を除く): 19247122

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 647, 1205, 1294, 2410, 3133, 3235, 6266, 6470, 8411, 15665, 16822, 31330, 42055, 84110, 155927, 311854, 779635, 1559270, 2027051, 4054102, 10135255, 20270510]

約数ペア:

[(1, 20270510), (2, 10135255), (5, 4054102), (10, 2027051), (13, 1559270), (26, 779635), (65, 311854), (130, 155927), (241, 84110), (482, 42055), (647, 31330), (1205, 16822), (1294, 15665), (2410, 8411), (3133, 6470), (3235, 6266)]