20889150910

素因数分解:

$2^1\times 5^1\times {\mathrm{3967}}^1\times {\mathrm{526573}}^1$

素因数の和:530547

約数の個数: 16

約数和(自身を含む): 37610021376

約数和(自身を除く): 16720870466

約数列:

[1, 2, 5, 10, 3967, 7934, 19835, 39670, 526573, 1053146, 2632865, 5265730, 2088915091, 4177830182, 10444575455, 20889150910]

約数ペア:

[(1, 20889150910), (2, 10444575455), (5, 4177830182), (10, 2088915091), (3967, 5265730), (7934, 2632865), (19835, 1053146), (39670, 526573)]