20035420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23297}}^1$

素因数の和:23349

約数の個数: 24

約数和(自身を含む): 43054704

約数和(自身を除く): 23019284

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23297, 46594, 93188, 116485, 232970, 465940, 1001771, 2003542, 4007084, 5008855, 10017710, 20035420]

約数ペア:

[(1, 20035420), (2, 10017710), (4, 5008855), (5, 4007084), (10, 2003542), (20, 1001771), (43, 465940), (86, 232970), (172, 116485), (215, 93188), (430, 46594), (860, 23297)]