20199448888

素因数分解:

$2^3\times {\mathrm{971}}^1\times {\mathrm{2600341}}^1$

素因数の和:2601318

約数の個数: 16

約数和(自身を含む): 37912986360

約数和(自身を除く): 17713537472

約数列:

[1, 2, 4, 8, 971, 1942, 3884, 7768, 2600341, 5200682, 10401364, 20802728, 2524931111, 5049862222, 10099724444, 20199448888]

約数ペア:

[(1, 20199448888), (2, 10099724444), (4, 5049862222), (8, 2524931111), (971, 20802728), (1942, 10401364), (3884, 5200682), (7768, 2600341)]