20413195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1759}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 26864640

約数和(自身を除く): 6451445

約数列:

[1, 5, 11, 55, 211, 1055, 1759, 2321, 8795, 11605, 19349, 96745, 371149, 1855745, 4082639, 20413195]

約数ペア:

[(1, 20413195), (5, 4082639), (11, 1855745), (55, 371149), (211, 96745), (1055, 19349), (1759, 11605), (2321, 8795)]