20195576169

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1\times {\mathrm{7307}}^1$

素因数の和:7717

約数の個数: 32

約数和(自身を含む): 28152520704

約数和(自身を除く): 7956944535

約数列:

[1, 3, 31, 93, 113, 263, 339, 789, 3503, 7307, 8153, 10509, 21921, 24459, 29719, 89157, 226517, 679551, 825691, 921289, 1921741, 2477073, 2763867, 5765223, 25596421, 59573971, 76789263, 178721913, 217156733, 651470199, 6731858723, 20195576169]

約数ペア:

[(1, 20195576169), (3, 6731858723), (31, 651470199), (93, 217156733), (113, 178721913), (263, 76789263), (339, 59573971), (789, 25596421), (3503, 5765223), (7307, 2763867), (8153, 2477073), (10509, 1921741), (21921, 921289), (24459, 825691), (29719, 679551), (89157, 226517)]