20115369

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1801}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 31203432

約数和(自身を除く): 11088063

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1801, 3723, 5403, 11169, 16209, 30617, 91851, 131473, 275553, 394419, 1183257, 2235041, 6705123, 20115369]

約数ペア:

[(1, 20115369), (3, 6705123), (9, 2235041), (17, 1183257), (51, 394419), (73, 275553), (153, 131473), (219, 91851), (657, 30617), (1241, 16209), (1801, 11169), (3723, 5403)]