20262774

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^3$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 48320496

約数和(自身を除く): 28057722

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 574, 861, 1681, 1722, 2009, 3362, 4018, 5043, 6027, 10086, 11767, 12054, 23534, 35301, 68921, 70602, 82369, 137842, 164738, 206763, 247107, 413526, 482447, 494214, 964894, 1447341, 2894682, 3377129, 6754258, 10131387, 20262774]

約数ペア:

[(1, 20262774), (2, 10131387), (3, 6754258), (6, 3377129), (7, 2894682), (14, 1447341), (21, 964894), (41, 494214), (42, 482447), (49, 413526), (82, 247107), (98, 206763), (123, 164738), (147, 137842), (246, 82369), (287, 70602), (294, 68921), (574, 35301), (861, 23534), (1681, 12054), (1722, 11767), (2009, 10086), (3362, 6027), (4018, 5043)]