20870469310

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20663831}}^1$

素因数の和:20663939

約数の個数: 16

約数和(自身を含む): 37938795552

約数和(自身を除く): 17068326242

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 20663831, 41327662, 103319155, 206638310, 2087046931, 4174093862, 10435234655, 20870469310]

約数ペア:

[(1, 20870469310), (2, 10435234655), (5, 4174093862), (10, 2087046931), (101, 206638310), (202, 103319155), (505, 41327662), (1010, 20663831)]