20087811055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9969137}}^1$

素因数の和:9969186

約数の個数: 16

約数和(自身を含む): 26797042944

約数和(自身を除く): 6709231889

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9969137, 49845685, 129598781, 309043247, 647993905, 1545216235, 4017562211, 20087811055]

約数ペア:

[(1, 20087811055), (5, 4017562211), (13, 1545216235), (31, 647993905), (65, 309043247), (155, 129598781), (403, 49845685), (2015, 9969137)]