20215188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 59072832

約数和(自身を除く): 38857644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 827, 873, 1164, 1358, 1654, 1746, 2037, 2481, 2716, 3308, 3492, 4074, 4962, 5789, 6111, 7443, 8148, 9924, 11578, 12222, 14886, 17367, 23156, 24444, 29772, 34734, 52101, 69468, 80219, 104202, 160438, 208404, 240657, 320876, 481314, 561533, 721971, 962628, 1123066, 1443942, 1684599, 2246132, 2887884, 3369198, 5053797, 6738396, 10107594, 20215188]

約数ペア:

[(1, 20215188), (2, 10107594), (3, 6738396), (4, 5053797), (6, 3369198), (7, 2887884), (9, 2246132), (12, 1684599), (14, 1443942), (18, 1123066), (21, 962628), (28, 721971), (36, 561533), (42, 481314), (63, 320876), (84, 240657), (97, 208404), (126, 160438), (194, 104202), (252, 80219), (291, 69468), (388, 52101), (582, 34734), (679, 29772), (827, 24444), (873, 23156), (1164, 17367), (1358, 14886), (1654, 12222), (1746, 11578), (2037, 9924), (2481, 8148), (2716, 7443), (3308, 6111), (3492, 5789), (4074, 4962)]