20172597925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1\times {\mathrm{1993}}^1$

素因数の和:2662

約数の個数: 48

約数和(自身を含む): 27059696640

約数和(自身を除く): 6887098715

約数列:

[1, 5, 23, 25, 29, 115, 145, 575, 607, 667, 725, 1993, 3035, 3335, 9965, 13961, 15175, 16675, 17603, 45839, 49825, 57797, 69805, 88015, 229195, 288985, 349025, 404869, 440075, 1145975, 1209751, 1329331, 1444925, 2024345, 6048755, 6646655, 10121725, 27824273, 30243775, 33233275, 35082779, 139121365, 175413895, 695606825, 806903917, 877069475, 4034519585, 20172597925]

約数ペア:

[(1, 20172597925), (5, 4034519585), (23, 877069475), (25, 806903917), (29, 695606825), (115, 175413895), (145, 139121365), (575, 35082779), (607, 33233275), (667, 30243775), (725, 27824273), (1993, 10121725), (3035, 6646655), (3335, 6048755), (9965, 2024345), (13961, 1444925), (15175, 1329331), (16675, 1209751), (17603, 1145975), (45839, 440075), (49825, 404869), (57797, 349025), (69805, 288985), (88015, 229195)]