20485048

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{82601}}^1$

素因数の和:82638

約数の個数: 16

約数和(自身を含む): 39648960

約数和(自身を除く): 19163912

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 82601, 165202, 330404, 660808, 2560631, 5121262, 10242524, 20485048]

約数ペア:

[(1, 20485048), (2, 10242524), (4, 5121262), (8, 2560631), (31, 660808), (62, 330404), (124, 165202), (248, 82601)]