20957002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15330998

約数列:

[1, 2, 11, 22, 23, 46, 83, 166, 253, 499, 506, 913, 998, 1826, 1909, 3818, 5489, 10978, 11477, 20999, 22954, 41417, 41998, 82834, 126247, 252494, 455587, 911174, 952591, 1905182, 10478501, 20957002]

約数ペア:

[(1, 20957002), (2, 10478501), (11, 1905182), (22, 952591), (23, 911174), (46, 455587), (83, 252494), (166, 126247), (253, 82834), (499, 41998), (506, 41417), (913, 22954), (998, 20999), (1826, 11477), (1909, 10978), (3818, 5489)]