20624222

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2515

約数の個数: 16

約数和(自身を含む): 31899744

約数和(自身を除く): 11275522

約数列:

[1, 2, 61, 71, 122, 142, 2381, 4331, 4762, 8662, 145241, 169051, 290482, 338102, 10312111, 20624222]

約数ペア:

[(1, 20624222), (2, 10312111), (61, 338102), (71, 290482), (122, 169051), (142, 145241), (2381, 8662), (4331, 4762)]