20546211

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 33230848

約数和(自身を除く): 12684637

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 853, 1147, 2559, 3441, 5971, 8029, 17913, 24087, 26443, 31561, 79329, 94683, 185101, 220927, 555303, 662781, 978391, 2935173, 6848737, 20546211]

約数ペア:

[(1, 20546211), (3, 6848737), (7, 2935173), (21, 978391), (31, 662781), (37, 555303), (93, 220927), (111, 185101), (217, 94683), (259, 79329), (651, 31561), (777, 26443), (853, 24087), (1147, 17913), (2559, 8029), (3441, 5971)]