20964358

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1$

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 32145264

約数和(自身を除く): 11180906

約数列:

[1, 2, 61, 122, 227, 454, 757, 1514, 13847, 27694, 46177, 92354, 171839, 343678, 10482179, 20964358]

約数ペア:

[(1, 20964358), (2, 10482179), (61, 343678), (122, 171839), (227, 92354), (454, 46177), (757, 27694), (1514, 13847)]