20462701

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 23931648

約数和(自身を除く): 3468947

約数列:

[1, 7, 101, 103, 281, 707, 721, 1967, 10403, 28381, 28943, 72821, 198667, 202601, 2923243, 20462701]

約数ペア:

[(1, 20462701), (7, 2923243), (101, 202601), (103, 198667), (281, 72821), (707, 28943), (721, 28381), (1967, 10403)]