20866819

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 1631741

約数列:

[1, 23, 61, 107, 139, 1403, 2461, 3197, 6527, 8479, 14873, 150121, 195017, 342079, 907253, 20866819]

約数ペア:

[(1, 20866819), (23, 907253), (61, 342079), (107, 195017), (139, 150121), (1403, 14873), (2461, 8479), (3197, 6527)]