20153193781

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{1587991}}^1$

素因数の和:1588049

約数の個数: 16

約数和(自身を含む): 24137478400

約数和(自身を除く): 3984284619

約数列:

[1, 7, 37, 49, 259, 343, 1813, 12691, 1587991, 11115937, 58755667, 77811559, 411289669, 544680913, 2879027683, 20153193781]

約数ペア:

[(1, 20153193781), (7, 2879027683), (37, 544680913), (49, 411289669), (259, 77811559), (343, 58755667), (1813, 11115937), (12691, 1587991)]