20372261

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 25216128

約数和(自身を除く): 4843867

約数列:

[1, 7, 13, 91, 211, 1061, 1477, 2743, 7427, 13793, 19201, 96551, 223871, 1567097, 2910323, 20372261]

約数ペア:

[(1, 20372261), (7, 2910323), (13, 1567097), (91, 223871), (211, 96551), (1061, 19201), (1477, 13793), (2743, 7427)]