20207061

素因数分解:

$3^2\times 7^2\times {\mathrm{45821}}^1$

素因数の和:45841

約数の個数: 18

約数和(自身を含む): 33954102

約数和(自身を除く): 13747041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45821, 137463, 320747, 412389, 962241, 2245229, 2886723, 6735687, 20207061]

約数ペア:

[(1, 20207061), (3, 6735687), (7, 2886723), (9, 2245229), (21, 962241), (49, 412389), (63, 320747), (147, 137463), (441, 45821)]