20780051026

素因数分解:

$2^1\times 7^2\times {\mathrm{2393}}^1\times {\mathrm{88609}}^1$

素因数の和:91018

約数の個数: 24

約数和(自身を含む): 36274630140

約数和(自身を除く): 15494579114

約数列:

[1, 2, 7, 14, 49, 98, 2393, 4786, 16751, 33502, 88609, 117257, 177218, 234514, 620263, 1240526, 4341841, 8683682, 212041337, 424082674, 1484289359, 2968578718, 10390025513, 20780051026]

約数ペア:

[(1, 20780051026), (2, 10390025513), (7, 2968578718), (14, 1484289359), (49, 424082674), (98, 212041337), (2393, 8683682), (4786, 4341841), (16751, 1240526), (33502, 620263), (88609, 234514), (117257, 177218)]