20504529

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9613}}^1$

素因数の和:9701

約数の個数: 16

約数和(自身を含む): 30764800

約数和(自身を除く): 10260271

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9613, 28839, 86517, 259551, 759427, 2278281, 6834843, 20504529]

約数ペア:

[(1, 20504529), (3, 6834843), (9, 2278281), (27, 759427), (79, 259551), (237, 86517), (711, 28839), (2133, 9613)]