20177525775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{5279}}^1$

素因数の和:5457

約数の個数: 96

約数和(自身を含む): 37617592320

約数和(自身を除く): 17440066545

約数列:

[1, 3, 5, 11, 15, 25, 33, 41, 55, 75, 113, 123, 165, 205, 275, 339, 451, 565, 615, 825, 1025, 1243, 1353, 1695, 2255, 2825, 3075, 3729, 4633, 5279, 6215, 6765, 8475, 11275, 13899, 15837, 18645, 23165, 26395, 31075, 33825, 50963, 58069, 69495, 79185, 93225, 115825, 131975, 152889, 174207, 216439, 254815, 290345, 347475, 395925, 596527, 649317, 764445, 871035, 1082195, 1274075, 1451725, 1789581, 2380829, 2982635, 3246585, 3822225, 4355175, 5410975, 6561797, 7142487, 8947905, 11904145, 14913175, 16232925, 19685391, 24457607, 32808985, 35712435, 44739525, 59520725, 73372821, 98426955, 122288035, 164044925, 178562175, 269033677, 366864105, 492134775, 611440175, 807101031, 1345168385, 1834320525, 4035505155, 6725841925, 20177525775]

約数ペア:

[(1, 20177525775), (3, 6725841925), (5, 4035505155), (11, 1834320525), (15, 1345168385), (25, 807101031), (33, 611440175), (41, 492134775), (55, 366864105), (75, 269033677), (113, 178562175), (123, 164044925), (165, 122288035), (205, 98426955), (275, 73372821), (339, 59520725), (451, 44739525), (565, 35712435), (615, 32808985), (825, 24457607), (1025, 19685391), (1243, 16232925), (1353, 14913175), (1695, 11904145), (2255, 8947905), (2825, 7142487), (3075, 6561797), (3729, 5410975), (4633, 4355175), (5279, 3822225), (6215, 3246585), (6765, 2982635), (8475, 2380829), (11275, 1789581), (13899, 1451725), (15837, 1274075), (18645, 1082195), (23165, 871035), (26395, 764445), (31075, 649317), (33825, 596527), (50963, 395925), (58069, 347475), (69495, 290345), (79185, 254815), (93225, 216439), (115825, 174207), (131975, 152889)]