20574673

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2719}}^1$

素因数の和:2796

約数の個数: 16

約数和(自身を含む): 25067520

約数和(自身を除く): 4492847

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2719, 7567, 19033, 62537, 127793, 437759, 894551, 2939239, 20574673]

約数ペア:

[(1, 20574673), (7, 2939239), (23, 894551), (47, 437759), (161, 127793), (329, 62537), (1081, 19033), (2719, 7567)]