20108491

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1302

約数の個数: 16

約数和(自身を含む): 22917888

約数和(自身を除く): 2809397

約数列:

[1, 13, 31, 41, 403, 533, 1217, 1271, 15821, 16523, 37727, 49897, 490451, 648661, 1546807, 20108491]

約数ペア:

[(1, 20108491), (13, 1546807), (31, 648661), (41, 490451), (403, 49897), (533, 37727), (1217, 16523), (1271, 15821)]