20833025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 27676800

約数和(自身を除く): 6843775

約数列:

[1, 5, 19, 25, 61, 95, 305, 475, 719, 1159, 1525, 3595, 5795, 13661, 17975, 28975, 43859, 68305, 219295, 341525, 833321, 1096475, 4166605, 20833025]

約数ペア:

[(1, 20833025), (5, 4166605), (19, 1096475), (25, 833321), (61, 341525), (95, 219295), (305, 68305), (475, 43859), (719, 28975), (1159, 17975), (1525, 13661), (3595, 5795)]