20334040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1759}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 48628800

約数和(自身を除く): 28294760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 1759, 2312, 2890, 3518, 5780, 7036, 8795, 11560, 14072, 17590, 29903, 35180, 59806, 70360, 119612, 149515, 239224, 299030, 508351, 598060, 1016702, 1196120, 2033404, 2541755, 4066808, 5083510, 10167020, 20334040]

約数ペア:

[(1, 20334040), (2, 10167020), (4, 5083510), (5, 4066808), (8, 2541755), (10, 2033404), (17, 1196120), (20, 1016702), (34, 598060), (40, 508351), (68, 299030), (85, 239224), (136, 149515), (170, 119612), (289, 70360), (340, 59806), (578, 35180), (680, 29903), (1156, 17590), (1445, 14072), (1759, 11560), (2312, 8795), (2890, 7036), (3518, 5780)]