20808733480

素因数分解:

$2^3\times 5^1\times {\mathrm{520218337}}^1$

素因数の和:520218348

約数の個数: 16

約数和(自身を含む): 46819650420

約数和(自身を除く): 26010916940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 520218337, 1040436674, 2080873348, 2601091685, 4161746696, 5202183370, 10404366740, 20808733480]

約数ペア:

[(1, 20808733480), (2, 10404366740), (4, 5202183370), (5, 4161746696), (8, 2601091685), (10, 2080873348), (20, 1040436674), (40, 520218337)]