20588780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54181}}^1$

素因数の和:54209

約数の個数: 24

約数和(自身を含む): 45512880

約数和(自身を除く): 24924100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 54181, 108362, 216724, 270905, 541810, 1029439, 1083620, 2058878, 4117756, 5147195, 10294390, 20588780]

約数ペア:

[(1, 20588780), (2, 10294390), (4, 5147195), (5, 4117756), (10, 2058878), (19, 1083620), (20, 1029439), (38, 541810), (76, 270905), (95, 216724), (190, 108362), (380, 54181)]