20501703

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1061}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 31477680

約数和(自身を除く): 10975977

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 1061, 2147, 3183, 6441, 9549, 19323, 20159, 60477, 119893, 181431, 359679, 1079037, 2277967, 6833901, 20501703]

約数ペア:

[(1, 20501703), (3, 6833901), (9, 2277967), (19, 1079037), (57, 359679), (113, 181431), (171, 119893), (339, 60477), (1017, 20159), (1061, 19323), (2147, 9549), (3183, 6441)]