20565722912

素因数分解:

$2^5\times 7^1\times {\mathrm{21557}}^1\times {\mathrm{4259}}^1$

素因数の和:25833

約数の個数: 48

約数和(自身を含む): 46285888320

約数和(自身を除く): 25720165408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 4259, 8518, 17036, 21557, 29813, 34072, 43114, 59626, 68144, 86228, 119252, 136288, 150899, 172456, 238504, 301798, 344912, 477008, 603596, 689824, 954016, 1207192, 2414384, 4828768, 91811263, 183622526, 367245052, 642678841, 734490104, 1285357682, 1468980208, 2570715364, 2937960416, 5141430728, 10282861456, 20565722912]

約数ペア:

[(1, 20565722912), (2, 10282861456), (4, 5141430728), (7, 2937960416), (8, 2570715364), (14, 1468980208), (16, 1285357682), (28, 734490104), (32, 642678841), (56, 367245052), (112, 183622526), (224, 91811263), (4259, 4828768), (8518, 2414384), (17036, 1207192), (21557, 954016), (29813, 689824), (34072, 603596), (43114, 477008), (59626, 344912), (68144, 301798), (86228, 238504), (119252, 172456), (136288, 150899)]