20928702

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81119}}^1$

素因数の和:81167

約数の個数: 16

約数和(自身を含む): 42831360

約数和(自身を除く): 21902658

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81119, 162238, 243357, 486714, 3488117, 6976234, 10464351, 20928702]

約数ペア:

[(1, 20928702), (2, 10464351), (3, 6976234), (6, 3488117), (43, 486714), (86, 243357), (129, 162238), (258, 81119)]