20538522

素因数分解:

$2^1\times 3^4\times {\mathrm{126781}}^1$

素因数の和:126795

約数の個数: 20

約数和(自身を含む): 46021866

約数和(自身を除く): 25483344

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 126781, 253562, 380343, 760686, 1141029, 2282058, 3423087, 6846174, 10269261, 20538522]

約数ペア:

[(1, 20538522), (2, 10269261), (3, 6846174), (6, 3423087), (9, 2282058), (18, 1141029), (27, 760686), (54, 380343), (81, 253562), (162, 126781)]