20263023

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:860

約数の個数: 36

約数和(自身を含む): 33611760

約数和(自身を除く): 13348737

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 121, 207, 253, 363, 759, 809, 1089, 2277, 2427, 2783, 7281, 8349, 8899, 18607, 25047, 26697, 55821, 80091, 97889, 167463, 204677, 293667, 614031, 881001, 1842093, 2251447, 6754341, 20263023]

約数ペア:

[(1, 20263023), (3, 6754341), (9, 2251447), (11, 1842093), (23, 881001), (33, 614031), (69, 293667), (99, 204677), (121, 167463), (207, 97889), (253, 80091), (363, 55821), (759, 26697), (809, 25047), (1089, 18607), (2277, 8899), (2427, 8349), (2783, 7281)]