20690682

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 42467712

約数和(自身を除く): 21777030

約数列:

[1, 2, 3, 6, 73, 97, 146, 194, 219, 291, 438, 487, 582, 974, 1461, 2922, 7081, 14162, 21243, 35551, 42486, 47239, 71102, 94478, 106653, 141717, 213306, 283434, 3448447, 6896894, 10345341, 20690682]

約数ペア:

[(1, 20690682), (2, 10345341), (3, 6896894), (6, 3448447), (73, 283434), (97, 213306), (146, 141717), (194, 106653), (219, 94478), (291, 71102), (438, 47239), (487, 42486), (582, 35551), (974, 21243), (1461, 14162), (2922, 7081)]