20739380

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3313}}^1$

素因数の和:3635

約数の個数: 24

約数和(自身を含む): 43705032

約数和(自身を除く): 22965652

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3313, 6260, 6626, 13252, 16565, 33130, 66260, 1036969, 2073938, 4147876, 5184845, 10369690, 20739380]

約数ペア:

[(1, 20739380), (2, 10369690), (4, 5184845), (5, 4147876), (10, 2073938), (20, 1036969), (313, 66260), (626, 33130), (1252, 16565), (1565, 13252), (3130, 6626), (3313, 6260)]