20520444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244291}}^1$

素因数の和:244305

約数の個数: 24

約数和(自身を含む): 54721408

約数和(自身を除く): 34200964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244291, 488582, 732873, 977164, 1465746, 1710037, 2931492, 3420074, 5130111, 6840148, 10260222, 20520444]

約数ペア:

[(1, 20520444), (2, 10260222), (3, 6840148), (4, 5130111), (6, 3420074), (7, 2931492), (12, 1710037), (14, 1465746), (21, 977164), (28, 732873), (42, 488582), (84, 244291)]