20405720158

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{284131}}^1$

素因数の和:284523

約数の個数: 16

約数和(自身を含む): 30941974800

約数和(自身を除く): 10536254642

約数列:

[1, 2, 149, 241, 298, 482, 35909, 71818, 284131, 568262, 42335519, 68475571, 84671038, 136951142, 10202860079, 20405720158]

約数ペア:

[(1, 20405720158), (2, 10202860079), (149, 136951142), (241, 84671038), (298, 68475571), (482, 42335519), (35909, 568262), (71818, 284131)]