20887452

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5323}}^1$

素因数の和:5442

約数の個数: 36

約数和(自身を含む): 53293240

約数和(自身を除く): 32405788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5323, 10646, 15969, 21292, 31938, 47907, 63876, 95814, 191628, 580207, 1160414, 1740621, 2320828, 3481242, 5221863, 6962484, 10443726, 20887452]

約数ペア:

[(1, 20887452), (2, 10443726), (3, 6962484), (4, 5221863), (6, 3481242), (9, 2320828), (12, 1740621), (18, 1160414), (36, 580207), (109, 191628), (218, 95814), (327, 63876), (436, 47907), (654, 31938), (981, 21292), (1308, 15969), (1962, 10646), (3924, 5323)]