22740820

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1171}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 47845728

約数和(自身を除く): 25104908

約数列:

[1, 2, 4, 5, 10, 20, 971, 1171, 1942, 2342, 3884, 4684, 4855, 5855, 9710, 11710, 19420, 23420, 1137041, 2274082, 4548164, 5685205, 11370410, 22740820]

約数ペア:

[(1, 22740820), (2, 11370410), (4, 5685205), (5, 4548164), (10, 2274082), (20, 1137041), (971, 23420), (1171, 19420), (1942, 11710), (2342, 9710), (3884, 5855), (4684, 4855)]