20371188

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 28428108

約数列:

[1, 2, 3, 4, 6, 12, 83, 113, 166, 181, 226, 249, 332, 339, 362, 452, 498, 543, 678, 724, 996, 1086, 1356, 2172, 9379, 15023, 18758, 20453, 28137, 30046, 37516, 40906, 45069, 56274, 60092, 61359, 81812, 90138, 112548, 122718, 180276, 245436, 1697599, 3395198, 5092797, 6790396, 10185594, 20371188]

約数ペア:

[(1, 20371188), (2, 10185594), (3, 6790396), (4, 5092797), (6, 3395198), (12, 1697599), (83, 245436), (113, 180276), (166, 122718), (181, 112548), (226, 90138), (249, 81812), (332, 61359), (339, 60092), (362, 56274), (452, 45069), (498, 40906), (543, 37516), (678, 30046), (724, 28137), (996, 20453), (1086, 18758), (1356, 15023), (2172, 9379)]