20754160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37061}}^1$

素因数の和:37081

約数の個数: 40

約数和(自身を含む): 55148256

約数和(自身を除く): 34394096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37061, 74122, 148244, 185305, 259427, 296488, 370610, 518854, 592976, 741220, 1037708, 1297135, 1482440, 2075416, 2594270, 2964880, 4150832, 5188540, 10377080, 20754160]

約数ペア:

[(1, 20754160), (2, 10377080), (4, 5188540), (5, 4150832), (7, 2964880), (8, 2594270), (10, 2075416), (14, 1482440), (16, 1297135), (20, 1037708), (28, 741220), (35, 592976), (40, 518854), (56, 370610), (70, 296488), (80, 259427), (112, 185305), (140, 148244), (280, 74122), (560, 37061)]