20168686

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{821}}^1$

素因数の和:1067

約数の個数: 16

約数和(自身を含む): 30894048

約数和(自身を除く): 10725362

約数列:

[1, 2, 71, 142, 173, 346, 821, 1642, 12283, 24566, 58291, 116582, 142033, 284066, 10084343, 20168686]

約数ペア:

[(1, 20168686), (2, 10084343), (71, 284066), (142, 142033), (173, 116582), (346, 58291), (821, 24566), (1642, 12283)]