20027425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3833}}^1$

素因数の和:3873

約数の個数: 24

約数和(自身を含む): 28524960

約数和(自身を除く): 8497535

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 3833, 5225, 19165, 42163, 72827, 95825, 210815, 364135, 801097, 1054075, 1820675, 4005485, 20027425]

約数ペア:

[(1, 20027425), (5, 4005485), (11, 1820675), (19, 1054075), (25, 801097), (55, 364135), (95, 210815), (209, 95825), (275, 72827), (475, 42163), (1045, 19165), (3833, 5225)]