20472732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 59675616

約数和(自身を除く): 39202884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 137, 252, 274, 411, 548, 593, 822, 959, 1186, 1233, 1644, 1779, 1918, 2372, 2466, 2877, 3558, 3836, 4151, 4932, 5337, 5754, 7116, 8302, 8631, 10674, 11508, 12453, 16604, 17262, 21348, 24906, 34524, 37359, 49812, 74718, 81241, 149436, 162482, 243723, 324964, 487446, 568687, 731169, 974892, 1137374, 1462338, 1706061, 2274748, 2924676, 3412122, 5118183, 6824244, 10236366, 20472732]

約数ペア:

[(1, 20472732), (2, 10236366), (3, 6824244), (4, 5118183), (6, 3412122), (7, 2924676), (9, 2274748), (12, 1706061), (14, 1462338), (18, 1137374), (21, 974892), (28, 731169), (36, 568687), (42, 487446), (63, 324964), (84, 243723), (126, 162482), (137, 149436), (252, 81241), (274, 74718), (411, 49812), (548, 37359), (593, 34524), (822, 24906), (959, 21348), (1186, 17262), (1233, 16604), (1644, 12453), (1779, 11508), (1918, 10674), (2372, 8631), (2466, 8302), (2877, 7116), (3558, 5754), (3836, 5337), (4151, 4932)]