20679267

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7517}}^1$

素因数の和:7658

約数の個数: 16

約数和(自身を含む): 31756032

約数和(自身を除く): 11076765

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 7517, 22551, 52619, 157857, 984727, 2954181, 6893089, 20679267]

約数ペア:

[(1, 20679267), (3, 6893089), (7, 2954181), (21, 984727), (131, 157857), (393, 52619), (917, 22551), (2751, 7517)]