20185437890

素因数分解:

$2^1\times 5^1\times {\mathrm{47809}}^1\times {\mathrm{42221}}^1$

素因数の和:90037

約数の個数: 16

約数和(自身を含む): 36335408760

約数和(自身を除く): 16149970870

約数列:

[1, 2, 5, 10, 42221, 47809, 84442, 95618, 211105, 239045, 422210, 478090, 2018543789, 4037087578, 10092718945, 20185437890]

約数ペア:

[(1, 20185437890), (2, 10092718945), (5, 4037087578), (10, 2018543789), (42221, 478090), (47809, 422210), (84442, 239045), (95618, 211105)]