20808862060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1801}}^1\times {\mathrm{82529}}^1$

素因数の和:84346

約数の個数: 48

約数和(自身を含む): 49969604160

約数和(自身を除く): 29160742100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1801, 3602, 7204, 9005, 12607, 18010, 25214, 36020, 50428, 63035, 82529, 126070, 165058, 252140, 330116, 412645, 577703, 825290, 1155406, 1650580, 2310812, 2888515, 5777030, 11554060, 148634729, 297269458, 594538916, 743173645, 1040443103, 1486347290, 2080886206, 2972694580, 4161772412, 5202215515, 10404431030, 20808862060]

約数ペア:

[(1, 20808862060), (2, 10404431030), (4, 5202215515), (5, 4161772412), (7, 2972694580), (10, 2080886206), (14, 1486347290), (20, 1040443103), (28, 743173645), (35, 594538916), (70, 297269458), (140, 148634729), (1801, 11554060), (3602, 5777030), (7204, 2888515), (9005, 2310812), (12607, 1650580), (18010, 1155406), (25214, 825290), (36020, 577703), (50428, 412645), (63035, 330116), (82529, 252140), (126070, 165058)]