2020060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 4967424

約数和(自身を除く): 2947364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 307, 329, 470, 614, 658, 940, 1228, 1316, 1535, 1645, 2149, 3070, 3290, 4298, 6140, 6580, 8596, 10745, 14429, 21490, 28858, 42980, 57716, 72145, 101003, 144290, 202006, 288580, 404012, 505015, 1010030, 2020060]

約数ペア:

[(1, 2020060), (2, 1010030), (4, 505015), (5, 404012), (7, 288580), (10, 202006), (14, 144290), (20, 101003), (28, 72145), (35, 57716), (47, 42980), (70, 28858), (94, 21490), (140, 14429), (188, 10745), (235, 8596), (307, 6580), (329, 6140), (470, 4298), (614, 3290), (658, 3070), (940, 2149), (1228, 1645), (1316, 1535)]