20831742

素因数分解:

$2^1\times 3^4\times {\mathrm{128591}}^1$

素因数の和:128605

約数の個数: 20

約数和(自身を含む): 46678896

約数和(自身を除く): 25847154

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 128591, 257182, 385773, 771546, 1157319, 2314638, 3471957, 6943914, 10415871, 20831742]

約数ペア:

[(1, 20831742), (2, 10415871), (3, 6943914), (6, 3471957), (9, 2314638), (18, 1157319), (27, 771546), (54, 385773), (81, 257182), (162, 128591)]