16865320

素因数分解:

$2^3\times 5^1\times {\mathrm{421633}}^1$

素因数の和:421644

約数の個数: 16

約数和(自身を含む): 37947060

約数和(自身を除く): 21081740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421633, 843266, 1686532, 2108165, 3373064, 4216330, 8432660, 16865320]

約数ペア:

[(1, 16865320), (2, 8432660), (4, 4216330), (5, 3373064), (8, 2108165), (10, 1686532), (20, 843266), (40, 421633)]