20451384

素因数分解:

$2^3\times 3^2\times {\mathrm{479}}^1\times {\mathrm{593}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 55598400

約数和(自身を除く): 35147016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 479, 593, 958, 1186, 1437, 1779, 1916, 2372, 2874, 3558, 3832, 4311, 4744, 5337, 5748, 7116, 8622, 10674, 11496, 14232, 17244, 21348, 34488, 42696, 284047, 568094, 852141, 1136188, 1704282, 2272376, 2556423, 3408564, 5112846, 6817128, 10225692, 20451384]

約数ペア:

[(1, 20451384), (2, 10225692), (3, 6817128), (4, 5112846), (6, 3408564), (8, 2556423), (9, 2272376), (12, 1704282), (18, 1136188), (24, 852141), (36, 568094), (72, 284047), (479, 42696), (593, 34488), (958, 21348), (1186, 17244), (1437, 14232), (1779, 11496), (1916, 10674), (2372, 8622), (2874, 7116), (3558, 5748), (3832, 5337), (4311, 4744)]