20569143

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11801}}^1$

素因数の和:11894

約数の個数: 16

約数和(自身を含む): 31723776

約数和(自身を除く): 11154633

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 11801, 35403, 82607, 247821, 979483, 2938449, 6856381, 20569143]

約数ペア:

[(1, 20569143), (3, 6856381), (7, 2938449), (21, 979483), (83, 247821), (249, 82607), (581, 35403), (1743, 11801)]