20182640

素因数分解:

$2^4\times 5^1\times {\mathrm{252283}}^1$

素因数の和:252296

約数の個数: 20

約数和(自身を含む): 46924824

約数和(自身を除く): 26742184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252283, 504566, 1009132, 1261415, 2018264, 2522830, 4036528, 5045660, 10091320, 20182640]

約数ペア:

[(1, 20182640), (2, 10091320), (4, 5045660), (5, 4036528), (8, 2522830), (10, 2018264), (16, 1261415), (20, 1009132), (40, 504566), (80, 252283)]