20970794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42451}}^1$

素因数の和:42485

約数の個数: 16

約数和(自身を含む): 35659680

約数和(自身を除く): 14688886

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42451, 84902, 551863, 806569, 1103726, 1613138, 10485397, 20970794]

約数ペア:

[(1, 20970794), (2, 10485397), (13, 1613138), (19, 1103726), (26, 806569), (38, 551863), (247, 84902), (494, 42451)]