20190640

素因数分解:

$2^4\times 5^1\times {\mathrm{252383}}^1$

素因数の和:252396

約数の個数: 20

約数和(自身を含む): 46943424

約数和(自身を除く): 26752784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252383, 504766, 1009532, 1261915, 2019064, 2523830, 4038128, 5047660, 10095320, 20190640]

約数ペア:

[(1, 20190640), (2, 10095320), (4, 5047660), (5, 4038128), (8, 2523830), (10, 2019064), (16, 1261915), (20, 1009532), (40, 504766), (80, 252383)]