20934529

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4457}}^1$

素因数の和:4536

約数の個数: 16

約数和(自身を含む): 26534016

約数和(自身を除く): 5599487

約数列:

[1, 7, 11, 61, 77, 427, 671, 4457, 4697, 31199, 49027, 271877, 343189, 1903139, 2990647, 20934529]

約数ペア:

[(1, 20934529), (7, 2990647), (11, 1903139), (61, 343189), (77, 271877), (427, 49027), (671, 31199), (4457, 4697)]