20920291209

素因数分解:

$3^2\times {\mathrm{277}}^1\times {\mathrm{797}}^1\times {\mathrm{10529}}^1$

素因数の和:11609

約数の個数: 24

約数和(自身を含む): 30368225160

約数和(自身を除く): 9447933951

約数列:

[1, 3, 9, 277, 797, 831, 2391, 2493, 7173, 10529, 31587, 94761, 220769, 662307, 1986921, 2916533, 8391613, 8749599, 25174839, 26248797, 75524517, 2324476801, 6973430403, 20920291209]

約数ペア:

[(1, 20920291209), (3, 6973430403), (9, 2324476801), (277, 75524517), (797, 26248797), (831, 25174839), (2391, 8749599), (2493, 8391613), (7173, 2916533), (10529, 1986921), (31587, 662307), (94761, 220769)]