20993798

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11447}}^1$

素因数の和:11587

約数の個数: 16

約数和(自身を含む): 36267264

約数和(自身を除く): 15273466

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11447, 22894, 80129, 160258, 1499557, 2999114, 10496899, 20993798]

約数ペア:

[(1, 20993798), (2, 10496899), (7, 2999114), (14, 1499557), (131, 160258), (262, 80129), (917, 22894), (1834, 11447)]