20565234064

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1721}}^1$

素因数の和:2024

約数の個数: 80

約数和(自身を含む): 41294606976

約数和(自身を除く): 20729372912

約数列:

[1, 2, 4, 8, 16, 67, 71, 134, 142, 157, 268, 284, 314, 536, 568, 628, 1072, 1136, 1256, 1721, 2512, 3442, 4757, 6884, 9514, 10519, 11147, 13768, 19028, 21038, 22294, 27536, 38056, 42076, 44588, 76112, 84152, 89176, 115307, 122191, 168304, 178352, 230614, 244382, 270197, 461228, 488764, 540394, 746849, 922456, 977528, 1080788, 1493698, 1844912, 1955056, 2161576, 2987396, 4323152, 5974792, 8186797, 11949584, 16373594, 18103199, 19183987, 32747188, 36206398, 38367974, 65494376, 72412796, 76735948, 130988752, 144825592, 153471896, 289651184, 306943792, 1285327129, 2570654258, 5141308516, 10282617032, 20565234064]

約数ペア:

[(1, 20565234064), (2, 10282617032), (4, 5141308516), (8, 2570654258), (16, 1285327129), (67, 306943792), (71, 289651184), (134, 153471896), (142, 144825592), (157, 130988752), (268, 76735948), (284, 72412796), (314, 65494376), (536, 38367974), (568, 36206398), (628, 32747188), (1072, 19183987), (1136, 18103199), (1256, 16373594), (1721, 11949584), (2512, 8186797), (3442, 5974792), (4757, 4323152), (6884, 2987396), (9514, 2161576), (10519, 1955056), (11147, 1844912), (13768, 1493698), (19028, 1080788), (21038, 977528), (22294, 922456), (27536, 746849), (38056, 540394), (42076, 488764), (44588, 461228), (76112, 270197), (84152, 244382), (89176, 230614), (115307, 178352), (122191, 168304)]