20146791

素因数分解:

$3^1\times 7^4\times {\mathrm{2797}}^1$

素因数の和:2828

約数の個数: 20

約数和(自身を含む): 31348792

約数和(自身を除く): 11202001

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 2797, 7203, 8391, 19579, 58737, 137053, 411159, 959371, 2878113, 6715597, 20146791]

約数ペア:

[(1, 20146791), (3, 6715597), (7, 2878113), (21, 959371), (49, 411159), (147, 137053), (343, 58737), (1029, 19579), (2401, 8391), (2797, 7203)]