20510282

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25447}}^1$

素因数の和:25493

約数の個数: 16

約数和(自身を含む): 34202112

約数和(自身を除く): 13691830

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25447, 50894, 330811, 661622, 788857, 1577714, 10255141, 20510282]

約数ペア:

[(1, 20510282), (2, 10255141), (13, 1577714), (26, 788857), (31, 661622), (62, 330811), (403, 50894), (806, 25447)]