20228650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31121}}^1$

素因数の和:31146

約数の個数: 24

約数和(自身を含む): 40520844

約数和(自身を除く): 20292194

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31121, 62242, 155605, 311210, 404573, 778025, 809146, 1556050, 2022865, 4045730, 10114325, 20228650]

約数ペア:

[(1, 20228650), (2, 10114325), (5, 4045730), (10, 2022865), (13, 1556050), (25, 809146), (26, 778025), (50, 404573), (65, 311210), (130, 155605), (325, 62242), (650, 31121)]