20280628

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{487}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 36892800

約数和(自身を除く): 16612172

約数列:

[1, 2, 4, 29, 58, 116, 359, 487, 718, 974, 1436, 1948, 10411, 14123, 20822, 28246, 41644, 56492, 174833, 349666, 699332, 5070157, 10140314, 20280628]

約数ペア:

[(1, 20280628), (2, 10140314), (4, 5070157), (29, 699332), (58, 349666), (116, 174833), (359, 56492), (487, 41644), (718, 28246), (974, 20822), (1436, 14123), (1948, 10411)]