20176564880

素因数分解:

$2^4\times 5^1\times {\mathrm{252207061}}^1$

素因数の和:252207074

約数の個数: 20

約数和(自身を含む): 46910513532

約数和(自身を除く): 26733948652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252207061, 504414122, 1008828244, 1261035305, 2017656488, 2522070610, 4035312976, 5044141220, 10088282440, 20176564880]

約数ペア:

[(1, 20176564880), (2, 10088282440), (4, 5044141220), (5, 4035312976), (8, 2522070610), (10, 2017656488), (16, 1261035305), (20, 1008828244), (40, 504414122), (80, 252207061)]