20117512

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81119}}^1$

素因数の和:81156

約数の個数: 16

約数和(自身を含む): 38937600

約数和(自身を除く): 18820088

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81119, 162238, 324476, 648952, 2514689, 5029378, 10058756, 20117512]

約数ペア:

[(1, 20117512), (2, 10058756), (4, 5029378), (8, 2514689), (31, 648952), (62, 324476), (124, 162238), (248, 81119)]