20199894

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1811}}^1$

素因数の和:1853

約数の個数: 48

約数和(自身を含む): 47749824

約数和(自身を除く): 27549930

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 169, 286, 338, 429, 507, 858, 1014, 1811, 1859, 3622, 3718, 5433, 5577, 10866, 11154, 19921, 23543, 39842, 47086, 59763, 70629, 119526, 141258, 258973, 306059, 517946, 612118, 776919, 918177, 1553838, 1836354, 3366649, 6733298, 10099947, 20199894]

約数ペア:

[(1, 20199894), (2, 10099947), (3, 6733298), (6, 3366649), (11, 1836354), (13, 1553838), (22, 918177), (26, 776919), (33, 612118), (39, 517946), (66, 306059), (78, 258973), (143, 141258), (169, 119526), (286, 70629), (338, 59763), (429, 47086), (507, 39842), (858, 23543), (1014, 19921), (1811, 11154), (1859, 10866), (3622, 5577), (3718, 5433)]