20758491

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59141}}^1$

素因数の和:59163

約数の個数: 16

約数和(自身を含む): 33119520

約数和(自身を除く): 12361029

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59141, 177423, 532269, 768833, 1596807, 2306499, 6919497, 20758491]

約数ペア:

[(1, 20758491), (3, 6919497), (9, 2306499), (13, 1596807), (27, 768833), (39, 532269), (117, 177423), (351, 59141)]