20738249

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7577}}^1$

素因数の和:7624

約数の個数: 16

約数和(自身を含む): 26189568

約数和(自身を除く): 5451319

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7577, 53039, 128809, 174271, 901663, 1219897, 2962607, 20738249]

約数ペア:

[(1, 20738249), (7, 2962607), (17, 1219897), (23, 901663), (119, 174271), (161, 128809), (391, 53039), (2737, 7577)]