20980650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{139871}}^1$

素因数の和:139886

約数の個数: 24

約数和(自身を含む): 52032384

約数和(自身を除く): 31051734

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 139871, 279742, 419613, 699355, 839226, 1398710, 2098065, 3496775, 4196130, 6993550, 10490325, 20980650]

約数ペア:

[(1, 20980650), (2, 10490325), (3, 6993550), (5, 4196130), (6, 3496775), (10, 2098065), (15, 1398710), (25, 839226), (30, 699355), (50, 419613), (75, 279742), (150, 139871)]