20296521

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6317}}^1$

素因数の和:6350

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 16095159

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6317, 18951, 44219, 56853, 107389, 132657, 170559, 322167, 397971, 751723, 966501, 1193913, 2255169, 2899503, 6765507, 20296521]

約数ペア:

[(1, 20296521), (3, 6765507), (7, 2899503), (9, 2255169), (17, 1193913), (21, 966501), (27, 751723), (51, 397971), (63, 322167), (119, 170559), (153, 132657), (189, 107389), (357, 56853), (459, 44219), (1071, 18951), (3213, 6317)]