20767735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 5359625

約数列:

[1, 5, 23, 115, 419, 431, 2095, 2155, 9637, 9913, 48185, 49565, 180589, 902945, 4153547, 20767735]

約数ペア:

[(1, 20767735), (5, 4153547), (23, 902945), (115, 180589), (419, 49565), (431, 48185), (2095, 9913), (2155, 9637)]