20455712

素因数分解:

$2^5\times {\mathrm{113}}^1\times {\mathrm{5657}}^1$

素因数の和:5780

約数の個数: 24

約数和(自身を含む): 40635756

約数和(自身を除く): 20180044

約数列:

[1, 2, 4, 8, 16, 32, 113, 226, 452, 904, 1808, 3616, 5657, 11314, 22628, 45256, 90512, 181024, 639241, 1278482, 2556964, 5113928, 10227856, 20455712]

約数ペア:

[(1, 20455712), (2, 10227856), (4, 5113928), (8, 2556964), (16, 1278482), (32, 639241), (113, 181024), (226, 90512), (452, 45256), (904, 22628), (1808, 11314), (3616, 5657)]