20476503

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 31616000

約数和(自身を除く): 11139497

約数列:

[1, 3, 9, 27, 37, 103, 111, 199, 309, 333, 597, 927, 999, 1791, 2781, 3811, 5373, 7363, 11433, 20497, 22089, 34299, 61491, 66267, 102897, 184473, 198801, 553419, 758389, 2275167, 6825501, 20476503]

約数ペア:

[(1, 20476503), (3, 6825501), (9, 2275167), (27, 758389), (37, 553419), (103, 198801), (111, 184473), (199, 102897), (309, 66267), (333, 61491), (597, 34299), (927, 22089), (999, 20497), (1791, 11433), (2781, 7363), (3811, 5373)]