20575850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10037}}^1$

素因数の和:10090

約数の個数: 24

約数和(自身を含む): 39208428

約数和(自身を除く): 18632578

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10037, 20074, 50185, 100370, 250925, 411517, 501850, 823034, 2057585, 4115170, 10287925, 20575850]

約数ペア:

[(1, 20575850), (2, 10287925), (5, 4115170), (10, 2057585), (25, 823034), (41, 501850), (50, 411517), (82, 250925), (205, 100370), (410, 50185), (1025, 20074), (2050, 10037)]