20790939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2027}}^1$

素因数の和:2306

約数の個数: 16

約数和(自身を含む): 29981952

約数和(自身を除く): 9191013

約数列:

[1, 3, 13, 39, 263, 789, 2027, 3419, 6081, 10257, 26351, 79053, 533101, 1599303, 6930313, 20790939]

約数ペア:

[(1, 20790939), (3, 6930313), (13, 1599303), (39, 533101), (263, 79053), (789, 26351), (2027, 10257), (3419, 6081)]