20019060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111217}}^1$

素因数の和:111232

約数の個数: 36

約数和(自身を含む): 60725028

約数和(自身を除く): 40705968

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111217, 222434, 333651, 444868, 556085, 667302, 1000953, 1112170, 1334604, 1668255, 2001906, 2224340, 3336510, 4003812, 5004765, 6673020, 10009530, 20019060]

約数ペア:

[(1, 20019060), (2, 10009530), (3, 6673020), (4, 5004765), (5, 4003812), (6, 3336510), (9, 2224340), (10, 2001906), (12, 1668255), (15, 1334604), (18, 1112170), (20, 1000953), (30, 667302), (36, 556085), (45, 444868), (60, 333651), (90, 222434), (180, 111217)]