20848581

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2441}}^1$

素因数の和:2533

約数の個数: 24

約数和(自身を含む): 32888856

約数和(自身を除く): 12040275

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2441, 2847, 7323, 8541, 21969, 31733, 95199, 178193, 285597, 534579, 1603737, 2316509, 6949527, 20848581]

約数ペア:

[(1, 20848581), (3, 6949527), (9, 2316509), (13, 1603737), (39, 534579), (73, 285597), (117, 178193), (219, 95199), (657, 31733), (949, 21969), (2441, 8541), (2847, 7323)]