20817514

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:761

約数の個数: 16

約数和(自身を含む): 31737096

約数和(自身を除く): 10919582

約数列:

[1, 2, 101, 202, 257, 401, 514, 802, 25957, 40501, 51914, 81002, 103057, 206114, 10408757, 20817514]

約数ペア:

[(1, 20817514), (2, 10408757), (101, 206114), (202, 103057), (257, 81002), (401, 51914), (514, 40501), (802, 25957)]