20867429

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 23409216

約数和(自身を除く): 2541787

約数列:

[1, 11, 61, 137, 227, 671, 1507, 2497, 8357, 13847, 31099, 91927, 152317, 342089, 1897039, 20867429]

約数ペア:

[(1, 20867429), (11, 1897039), (61, 342089), (137, 152317), (227, 91927), (671, 31099), (1507, 13847), (2497, 8357)]