20176786576

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{3144761}}^1$

素因数の和:3145170

約数の個数: 20

約数和(自身を含む): 39190024044

約数和(自身を除く): 19013237468

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 3144761, 6289522, 12579044, 25158088, 50316176, 1261049161, 2522098322, 5044196644, 10088393288, 20176786576]

約数ペア:

[(1, 20176786576), (2, 10088393288), (4, 5044196644), (8, 2522098322), (16, 1261049161), (401, 50316176), (802, 25158088), (1604, 12579044), (3208, 6289522), (6416, 3144761)]