20189432

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81409}}^1$

素因数の和:81446

約数の個数: 16

約数和(自身を含む): 39076800

約数和(自身を除く): 18887368

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81409, 162818, 325636, 651272, 2523679, 5047358, 10094716, 20189432]

約数ペア:

[(1, 20189432), (2, 10094716), (4, 5047358), (8, 2523679), (31, 651272), (62, 325636), (124, 162818), (248, 81409)]