20199982089

素因数分解:

$3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1726937}}^1$

素因数の和:1727504

約数の個数: 16

約数和(自身を含む): 30836204928

約数和(自身を除く): 10636222839

約数列:

[1, 3, 7, 21, 557, 1671, 3899, 11697, 1726937, 5180811, 12088559, 36265677, 961903909, 2885711727, 6733327363, 20199982089]

約数ペア:

[(1, 20199982089), (3, 6733327363), (7, 2885711727), (21, 961903909), (557, 36265677), (1671, 12088559), (3899, 5180811), (11697, 1726937)]