20412831

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:966

約数の個数: 16

約数和(自身を含む): 28012160

約数和(自身を除く): 7599329

約数列:

[1, 3, 43, 129, 229, 687, 691, 2073, 9847, 29541, 29713, 89139, 158239, 474717, 6804277, 20412831]

約数ペア:

[(1, 20412831), (3, 6804277), (43, 474717), (129, 158239), (229, 89139), (687, 29713), (691, 29541), (2073, 9847)]