20666424

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^3$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 56224800

約数和(自身を除く): 35558376

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 68, 74, 102, 111, 136, 148, 204, 222, 296, 408, 444, 629, 888, 1258, 1369, 1887, 2516, 2738, 3774, 4107, 5032, 5476, 7548, 8214, 10952, 15096, 16428, 23273, 32856, 46546, 50653, 69819, 93092, 101306, 139638, 151959, 186184, 202612, 279276, 303918, 405224, 558552, 607836, 861101, 1215672, 1722202, 2583303, 3444404, 5166606, 6888808, 10333212, 20666424]

約数ペア:

[(1, 20666424), (2, 10333212), (3, 6888808), (4, 5166606), (6, 3444404), (8, 2583303), (12, 1722202), (17, 1215672), (24, 861101), (34, 607836), (37, 558552), (51, 405224), (68, 303918), (74, 279276), (102, 202612), (111, 186184), (136, 151959), (148, 139638), (204, 101306), (222, 93092), (296, 69819), (408, 50653), (444, 46546), (629, 32856), (888, 23273), (1258, 16428), (1369, 15096), (1887, 10952), (2516, 8214), (2738, 7548), (3774, 5476), (4107, 5032)]