20752627

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 25190352

約数和(自身を除く): 4437725

約数列:

[1, 7, 49, 53, 61, 131, 371, 427, 917, 2597, 2989, 3233, 6419, 6943, 7991, 22631, 48601, 55937, 158417, 340207, 391559, 423523, 2964661, 20752627]

約数ペア:

[(1, 20752627), (7, 2964661), (49, 423523), (53, 391559), (61, 340207), (131, 158417), (371, 55937), (427, 48601), (917, 22631), (2597, 7991), (2989, 6943), (3233, 6419)]