201663020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775627}}^1$

素因数の和:775649

約数の個数: 24

約数和(自身を含む): 456069264

約数和(自身を除く): 254406244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 775627, 1551254, 3102508, 3878135, 7756270, 10083151, 15512540, 20166302, 40332604, 50415755, 100831510, 201663020]

約数ペア:

[(1, 201663020), (2, 100831510), (4, 50415755), (5, 40332604), (10, 20166302), (13, 15512540), (20, 10083151), (26, 7756270), (52, 3878135), (65, 3102508), (130, 1551254), (260, 775627)]