20137577480

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{903841}}^1$

素因数の和:904409

約数の個数: 32

約数和(自身を含む): 45390945240

約数和(自身を除く): 25253367760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 11140, 22280, 903841, 1807682, 3615364, 4519205, 7230728, 9038410, 18076820, 36153640, 503439437, 1006878874, 2013757748, 2517197185, 4027515496, 5034394370, 10068788740, 20137577480]

約数ペア:

[(1, 20137577480), (2, 10068788740), (4, 5034394370), (5, 4027515496), (8, 2517197185), (10, 2013757748), (20, 1006878874), (40, 503439437), (557, 36153640), (1114, 18076820), (2228, 9038410), (2785, 7230728), (4456, 4519205), (5570, 3615364), (11140, 1807682), (22280, 903841)]