20173715

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{829}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 25178880

約数和(自身を除く): 5005165

約数列:

[1, 5, 31, 155, 157, 785, 829, 4145, 4867, 24335, 25699, 128495, 130153, 650765, 4034743, 20173715]

約数ペア:

[(1, 20173715), (5, 4034743), (31, 650765), (155, 130153), (157, 128495), (785, 25699), (829, 24335), (4145, 4867)]