20348503

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 24175360

約数和(自身を除く): 3826857

約数列:

[1, 7, 43, 67, 301, 469, 1009, 2881, 7063, 20167, 43387, 67603, 303709, 473221, 2906929, 20348503]

約数ペア:

[(1, 20348503), (7, 2906929), (43, 473221), (67, 303709), (301, 67603), (469, 43387), (1009, 20167), (2881, 7063)]