20400592

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12379}}^1$

素因数の和:12490

約数の個数: 20

約数和(自身を含む): 39913120

約数和(自身を除く): 19512528

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12379, 24758, 49516, 99032, 198064, 1275037, 2550074, 5100148, 10200296, 20400592]

約数ペア:

[(1, 20400592), (2, 10200296), (4, 5100148), (8, 2550074), (16, 1275037), (103, 198064), (206, 99032), (412, 49516), (824, 24758), (1648, 12379)]