20257538

素因数分解:

$2^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{2543}}^1$

素因数の和:3121

約数の個数: 16

約数和(自身を含む): 34801920

約数和(自身を除く): 14544382

約数列:

[1, 2, 7, 14, 569, 1138, 2543, 3983, 5086, 7966, 17801, 35602, 1446967, 2893934, 10128769, 20257538]

約数ペア:

[(1, 20257538), (2, 10128769), (7, 2893934), (14, 1446967), (569, 35602), (1138, 17801), (2543, 7966), (3983, 5086)]