20555418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8501}}^1$

素因数の和:8550

約数の個数: 32

約数和(自身を含む): 45706752

約数和(自身を除く): 25151334

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8501, 17002, 25503, 51006, 110513, 221026, 263531, 331539, 527062, 663078, 790593, 1581186, 3425903, 6851806, 10277709, 20555418]

約数ペア:

[(1, 20555418), (2, 10277709), (3, 6851806), (6, 3425903), (13, 1581186), (26, 790593), (31, 663078), (39, 527062), (62, 331539), (78, 263531), (93, 221026), (186, 110513), (403, 51006), (806, 25503), (1209, 17002), (2418, 8501)]