20163927819

素因数分解:

$3^1\times 7^2\times {\mathrm{701}}^1\times {\mathrm{195677}}^1$

素因数の和:196395

約数の個数: 24

約数和(自身を含む): 31319437968

約数和(自身を除く): 11155510149

約数列:

[1, 3, 7, 21, 49, 147, 701, 2103, 4907, 14721, 34349, 103047, 195677, 587031, 1369739, 4109217, 9588173, 28764519, 137169577, 411508731, 960187039, 2880561117, 6721309273, 20163927819]

約数ペア:

[(1, 20163927819), (3, 6721309273), (7, 2880561117), (21, 960187039), (49, 411508731), (147, 137169577), (701, 28764519), (2103, 9588173), (4907, 4109217), (14721, 1369739), (34349, 587031), (103047, 195677)]