20282451

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9377}}^1$

素因数の和:9490

約数の個数: 16

約数和(自身を含む): 31209984

約数和(自身を除く): 10927533

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9377, 28131, 65639, 196917, 965831, 2897493, 6760817, 20282451]

約数ペア:

[(1, 20282451), (3, 6760817), (7, 2897493), (21, 965831), (103, 196917), (309, 65639), (721, 28131), (2163, 9377)]