20638227

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1571}}^1$

素因数の和:1754

約数の個数: 16

約数和(自身を含む): 28673280

約数和(自身を除く): 8035053

約数列:

[1, 3, 29, 87, 151, 453, 1571, 4379, 4713, 13137, 45559, 136677, 237221, 711663, 6879409, 20638227]

約数ペア:

[(1, 20638227), (3, 6879409), (29, 711663), (87, 237221), (151, 136677), (453, 45559), (1571, 13137), (4379, 4713)]