20726671

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 24551424

約数和(自身を除く): 3824753

約数列:

[1, 7, 47, 73, 329, 511, 863, 3431, 6041, 24017, 40561, 62999, 283927, 440993, 2960953, 20726671]

約数ペア:

[(1, 20726671), (7, 2960953), (47, 440993), (73, 283927), (329, 62999), (511, 40561), (863, 24017), (3431, 6041)]