20178852489

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15901381}}^1$

素因数の和:15901437

約数の個数: 16

約数和(自身を含む): 30530653440

約数和(自身を除く): 10351800951

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15901381, 47704143, 143112429, 429337287, 747364907, 2242094721, 6726284163, 20178852489]

約数ペア:

[(1, 20178852489), (3, 6726284163), (9, 2242094721), (27, 747364907), (47, 429337287), (141, 143112429), (423, 47704143), (1269, 15901381)]