20892151

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1061}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 24978240

約数和(自身を除く): 4086089

約数列:

[1, 7, 29, 97, 203, 679, 1061, 2813, 7427, 19691, 30769, 102917, 215383, 720419, 2984593, 20892151]

約数ペア:

[(1, 20892151), (7, 2984593), (29, 720419), (97, 215383), (203, 102917), (679, 30769), (1061, 19691), (2813, 7427)]