20422185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{673}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 39728256

約数和(自身を除く): 19306071

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 595, 673, 867, 1445, 1785, 2019, 2023, 3365, 4335, 4711, 6069, 10095, 10115, 11441, 14133, 23555, 30345, 34323, 57205, 70665, 80087, 171615, 194497, 240261, 400435, 583491, 972485, 1201305, 1361479, 2917455, 4084437, 6807395, 20422185]

約数ペア:

[(1, 20422185), (3, 6807395), (5, 4084437), (7, 2917455), (15, 1361479), (17, 1201305), (21, 972485), (35, 583491), (51, 400435), (85, 240261), (105, 194497), (119, 171615), (255, 80087), (289, 70665), (357, 57205), (595, 34323), (673, 30345), (867, 23555), (1445, 14133), (1785, 11441), (2019, 10115), (2023, 10095), (3365, 6069), (4335, 4711)]