20572923

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2273}}^1$

素因数の和:2714

約数の個数: 16

約数和(自身を含む): 31435776

約数和(自身を除く): 10862853

約数列:

[1, 3, 7, 21, 431, 1293, 2273, 3017, 6819, 9051, 15911, 47733, 979663, 2938989, 6857641, 20572923]

約数ペア:

[(1, 20572923), (3, 6857641), (7, 2938989), (21, 979663), (431, 47733), (1293, 15911), (2273, 9051), (3017, 6819)]