320472020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1456691}}^1$

素因数の和:1456711

約数の個数: 24

約数和(自身を含む): 734172768

約数和(自身を除く): 413700748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1456691, 2913382, 5826764, 7283455, 14566910, 16023601, 29133820, 32047202, 64094404, 80118005, 160236010, 320472020]

約数ペア:

[(1, 320472020), (2, 160236010), (4, 80118005), (5, 64094404), (10, 32047202), (11, 29133820), (20, 16023601), (22, 14566910), (44, 7283455), (55, 5826764), (110, 2913382), (220, 1456691)]