20687535257

素因数分解:

${\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1291}}^1\times {\mathrm{4831}}^1$

素因数の和:6260

約数の個数: 16

約数和(自身を含む): 21575614464

約数和(自身を除く): 888079207

約数列:

[1, 31, 107, 1291, 3317, 4831, 40021, 138137, 149761, 516917, 4282247, 6236821, 16024427, 193341451, 667339847, 20687535257]

約数ペア:

[(1, 20687535257), (31, 667339847), (107, 193341451), (1291, 16024427), (3317, 6236821), (4831, 4282247), (40021, 516917), (138137, 149761)]