20156225048

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81275101}}^1$

素因数の和:81275138

約数の個数: 16

約数和(自身を含む): 39012048960

約数和(自身を除く): 18855823912

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81275101, 162550202, 325100404, 650200808, 2519528131, 5039056262, 10078112524, 20156225048]

約数ペア:

[(1, 20156225048), (2, 10078112524), (4, 5039056262), (8, 2519528131), (31, 650200808), (62, 325100404), (124, 162550202), (248, 81275101)]