20215212

素因数分解:

$2^2\times 3^1\times {\mathrm{401}}^1\times {\mathrm{4201}}^1$

素因数の和:4609

約数の個数: 24

約数和(自身を含む): 47297712

約数和(自身を除く): 27082500

約数列:

[1, 2, 3, 4, 6, 12, 401, 802, 1203, 1604, 2406, 4201, 4812, 8402, 12603, 16804, 25206, 50412, 1684601, 3369202, 5053803, 6738404, 10107606, 20215212]

約数ペア:

[(1, 20215212), (2, 10107606), (3, 6738404), (4, 5053803), (6, 3369202), (12, 1684601), (401, 50412), (802, 25206), (1203, 16804), (1604, 12603), (2406, 8402), (4201, 4812)]