20229881

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3617}}^1$

素因数の和:3688

約数の個数: 16

約数和(自身を含む): 25007616

約数和(自身を除く): 4777735

約数列:

[1, 7, 17, 47, 119, 329, 799, 3617, 5593, 25319, 61489, 169999, 430423, 1189993, 2889983, 20229881]

約数ペア:

[(1, 20229881), (7, 2889983), (17, 1189993), (47, 430423), (119, 169999), (329, 61489), (799, 25319), (3617, 5593)]