20515396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{27427}}^1$

素因数の和:27459

約数の個数: 24

約数和(自身を含む): 41471136

約数和(自身を除く): 20955740

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 27427, 54854, 109708, 301697, 466259, 603394, 932518, 1206788, 1865036, 5128849, 10257698, 20515396]

約数ペア:

[(1, 20515396), (2, 10257698), (4, 5128849), (11, 1865036), (17, 1206788), (22, 932518), (34, 603394), (44, 466259), (68, 301697), (187, 109708), (374, 54854), (748, 27427)]