20786830

素因数分解:

$2^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3391}}^1$

素因数の和:4011

約数の個数: 16

約数和(自身を含む): 37488384

約数和(自身を除く): 16701554

約数列:

[1, 2, 5, 10, 613, 1226, 3065, 3391, 6130, 6782, 16955, 33910, 2078683, 4157366, 10393415, 20786830]

約数ペア:

[(1, 20786830), (2, 10393415), (5, 4157366), (10, 2078683), (613, 33910), (1226, 16955), (3065, 6782), (3391, 6130)]