20942222

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40429}}^1$

素因数の和:40475

約数の個数: 16

約数和(自身を含む): 36872160

約数和(自身を除く): 15929938

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40429, 80858, 283003, 566006, 1495873, 2991746, 10471111, 20942222]

約数ペア:

[(1, 20942222), (2, 10471111), (7, 2991746), (14, 1495873), (37, 566006), (74, 283003), (259, 80858), (518, 40429)]