20342778

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 44525376

約数和(自身を除く): 24182598

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 71, 102, 106, 142, 159, 213, 318, 426, 901, 1207, 1802, 2414, 2703, 2809, 3621, 3763, 5406, 5618, 7242, 7526, 8427, 11289, 16854, 22578, 47753, 63971, 95506, 127942, 143259, 191913, 199439, 286518, 383826, 398878, 598317, 1196634, 3390463, 6780926, 10171389, 20342778]

約数ペア:

[(1, 20342778), (2, 10171389), (3, 6780926), (6, 3390463), (17, 1196634), (34, 598317), (51, 398878), (53, 383826), (71, 286518), (102, 199439), (106, 191913), (142, 143259), (159, 127942), (213, 95506), (318, 63971), (426, 47753), (901, 22578), (1207, 16854), (1802, 11289), (2414, 8427), (2703, 7526), (2809, 7242), (3621, 5618), (3763, 5406)]