20437339

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 23611392

約数和(自身を除く): 3174053

約数列:

[1, 13, 31, 47, 83, 169, 403, 611, 1079, 1457, 2573, 3901, 5239, 7943, 14027, 18941, 33449, 50713, 120931, 246233, 434837, 659269, 1572103, 20437339]

約数ペア:

[(1, 20437339), (13, 1572103), (31, 659269), (47, 434837), (83, 246233), (169, 120931), (403, 50713), (611, 33449), (1079, 18941), (1457, 14027), (2573, 7943), (3901, 5239)]