42637820

素因数分解:

$2^2\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{1787}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 89664624

約数和(自身を除く): 47026804

約数列:

[1, 2, 4, 5, 10, 20, 1193, 1787, 2386, 3574, 4772, 5965, 7148, 8935, 11930, 17870, 23860, 35740, 2131891, 4263782, 8527564, 10659455, 21318910, 42637820]

約数ペア:

[(1, 42637820), (2, 21318910), (4, 10659455), (5, 8527564), (10, 4263782), (20, 2131891), (1193, 35740), (1787, 23860), (2386, 17870), (3574, 11930), (4772, 8935), (5965, 7148)]