20530578

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 21402222

約数列:

[1, 2, 3, 6, 103, 139, 206, 239, 278, 309, 417, 478, 618, 717, 834, 1434, 14317, 24617, 28634, 33221, 42951, 49234, 66442, 73851, 85902, 99663, 147702, 199326, 3421763, 6843526, 10265289, 20530578]

約数ペア:

[(1, 20530578), (2, 10265289), (3, 6843526), (6, 3421763), (103, 199326), (139, 147702), (206, 99663), (239, 85902), (278, 73851), (309, 66442), (417, 49234), (478, 42951), (618, 33221), (717, 28634), (834, 24617), (1434, 14317)]