20724146

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:737

約数の個数: 16

約数和(自身を含む): 31558848

約数和(自身を除く): 10834702

約数列:

[1, 2, 151, 163, 302, 326, 421, 842, 24613, 49226, 63571, 68623, 127142, 137246, 10362073, 20724146]

約数ペア:

[(1, 20724146), (2, 10362073), (151, 137246), (163, 127142), (302, 68623), (326, 63571), (421, 49226), (842, 24613)]