20173778317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1523}}^1\times {\mathrm{172027}}^1$

素因数の和:173568

約数の個数: 16

約数和(自身を含む): 25168384512

約数和(自身を除く): 4994606195

約数列:

[1, 7, 11, 77, 1523, 10661, 16753, 117271, 172027, 1204189, 1892297, 13246079, 261997121, 1833979847, 2881968331, 20173778317]

約数ペア:

[(1, 20173778317), (7, 2881968331), (11, 1833979847), (77, 261997121), (1523, 13246079), (10661, 1892297), (16753, 1204189), (117271, 172027)]