20786687246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{55547}}^1$

素因数の和:55988

約数の個数: 32

約数和(自身を含む): 34575297120

約数和(自身を除く): 13788609874

約数列:

[1, 2, 13, 26, 37, 74, 389, 481, 778, 962, 5057, 10114, 14393, 28786, 55547, 111094, 187109, 374218, 722111, 1444222, 2055239, 4110478, 21607783, 26718107, 43215566, 53436214, 280901179, 561802358, 799487971, 1598975942, 10393343623, 20786687246]

約数ペア:

[(1, 20786687246), (2, 10393343623), (13, 1598975942), (26, 799487971), (37, 561802358), (74, 280901179), (389, 53436214), (481, 43215566), (778, 26718107), (962, 21607783), (5057, 4110478), (10114, 2055239), (14393, 1444222), (28786, 722111), (55547, 374218), (111094, 187109)]