20512366

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63703}}^1$

素因数の和:63735

約数の個数: 16

約数和(自身を含む): 36693504

約数和(自身を除く): 16181138

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63703, 127406, 445921, 891842, 1465169, 2930338, 10256183, 20512366]

約数ペア:

[(1, 20512366), (2, 10256183), (7, 2930338), (14, 1465169), (23, 891842), (46, 445921), (161, 127406), (322, 63703)]