20125291333

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{425869}}^1$

素因数の和:426076

約数の個数: 16

約数和(自身を含む): 23685185920

約数和(自身を除く): 3559894587

約数列:

[1, 7, 43, 157, 301, 1099, 6751, 47257, 425869, 2981083, 18312367, 66861433, 128186569, 468030031, 2875041619, 20125291333]

約数ペア:

[(1, 20125291333), (7, 2875041619), (43, 468030031), (157, 128186569), (301, 66861433), (1099, 18312367), (6751, 2981083), (47257, 425869)]