20816012

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32323}}^1$

素因数の和:32357

約数の個数: 24

約数和(自身を含む): 43443456

約数和(自身を除く): 22627444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32323, 64646, 129292, 226261, 452522, 743429, 905044, 1486858, 2973716, 5204003, 10408006, 20816012]

約数ペア:

[(1, 20816012), (2, 10408006), (4, 5204003), (7, 2973716), (14, 1486858), (23, 905044), (28, 743429), (46, 452522), (92, 226261), (161, 129292), (322, 64646), (644, 32323)]