20831485

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 25768512

約数和(自身を除く): 4937027

約数列:

[1, 5, 41, 205, 307, 331, 1535, 1655, 12587, 13571, 62935, 67855, 101617, 508085, 4166297, 20831485]

約数ペア:

[(1, 20831485), (5, 4166297), (41, 508085), (205, 101617), (307, 67855), (331, 62935), (1535, 13571), (1655, 12587)]