20137980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{335633}}^1$

素因数の和:335645

約数の個数: 24

約数和(自身を含む): 56386512

約数和(自身を除く): 36248532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 335633, 671266, 1006899, 1342532, 1678165, 2013798, 3356330, 4027596, 5034495, 6712660, 10068990, 20137980]

約数ペア:

[(1, 20137980), (2, 10068990), (3, 6712660), (4, 5034495), (5, 4027596), (6, 3356330), (10, 2013798), (12, 1678165), (15, 1342532), (20, 1006899), (30, 671266), (60, 335633)]