20002281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1279}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 28815360

約数和(自身を除く): 8813079

約数列:

[1, 3, 13, 39, 401, 1203, 1279, 3837, 5213, 15639, 16627, 49881, 512879, 1538637, 6667427, 20002281]

約数ペア:

[(1, 20002281), (3, 6667427), (13, 1538637), (39, 512879), (401, 49881), (1203, 16627), (1279, 15639), (3837, 5213)]