20277459

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1801}}^1$

素因数の和:1952

約数の個数: 20

約数和(自身を含む): 30525880

約数和(自身を除く): 10248421

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1801, 3753, 5403, 11259, 16209, 48627, 145881, 250339, 751017, 2253051, 6759153, 20277459]

約数ペア:

[(1, 20277459), (3, 6759153), (9, 2253051), (27, 751017), (81, 250339), (139, 145881), (417, 48627), (1251, 16209), (1801, 11259), (3753, 5403)]