20005530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 50232960

約数和(自身を除く): 30227430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 67, 74, 111, 134, 185, 201, 222, 269, 335, 370, 402, 538, 555, 670, 807, 1005, 1110, 1345, 1614, 2010, 2479, 2690, 4035, 4958, 7437, 8070, 9953, 12395, 14874, 18023, 19906, 24790, 29859, 36046, 37185, 49765, 54069, 59718, 74370, 90115, 99530, 108138, 149295, 180230, 270345, 298590, 540690, 666851, 1333702, 2000553, 3334255, 4001106, 6668510, 10002765, 20005530]

約数ペア:

[(1, 20005530), (2, 10002765), (3, 6668510), (5, 4001106), (6, 3334255), (10, 2000553), (15, 1333702), (30, 666851), (37, 540690), (67, 298590), (74, 270345), (111, 180230), (134, 149295), (185, 108138), (201, 99530), (222, 90115), (269, 74370), (335, 59718), (370, 54069), (402, 49765), (538, 37185), (555, 36046), (670, 29859), (807, 24790), (1005, 19906), (1110, 18023), (1345, 14874), (1614, 12395), (2010, 9953), (2479, 8070), (2690, 7437), (4035, 4958)]