20346879

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4231}}^1$

素因数の和:4470

約数の個数: 16

約数和(自身を含む): 31147520

約数和(自身を除く): 10800641

約数列:

[1, 3, 7, 21, 229, 687, 1603, 4231, 4809, 12693, 29617, 88851, 968899, 2906697, 6782293, 20346879]

約数ペア:

[(1, 20346879), (3, 6782293), (7, 2906697), (21, 968899), (229, 88851), (687, 29617), (1603, 12693), (4231, 4809)]