20009122

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 24

約数和(自身を含む): 35100864

約数和(自身を除く): 15091742

約数列:

[1, 2, 7, 14, 47, 94, 329, 647, 658, 1294, 2209, 4418, 4529, 9058, 15463, 30409, 30926, 60818, 212863, 425726, 1429223, 2858446, 10004561, 20009122]

約数ペア:

[(1, 20009122), (2, 10004561), (7, 2858446), (14, 1429223), (47, 425726), (94, 212863), (329, 60818), (647, 30926), (658, 30409), (1294, 15463), (2209, 9058), (4418, 4529)]