20589464

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 47788800

約数和(自身を除く): 27199336

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 56, 74, 76, 133, 148, 152, 259, 266, 296, 518, 523, 532, 703, 1036, 1046, 1064, 1406, 2072, 2092, 2812, 3661, 4184, 4921, 5624, 7322, 9842, 9937, 14644, 19351, 19684, 19874, 29288, 38702, 39368, 39748, 69559, 77404, 79496, 135457, 139118, 154808, 270914, 278236, 367669, 541828, 556472, 735338, 1083656, 1470676, 2573683, 2941352, 5147366, 10294732, 20589464]

約数ペア:

[(1, 20589464), (2, 10294732), (4, 5147366), (7, 2941352), (8, 2573683), (14, 1470676), (19, 1083656), (28, 735338), (37, 556472), (38, 541828), (56, 367669), (74, 278236), (76, 270914), (133, 154808), (148, 139118), (152, 135457), (259, 79496), (266, 77404), (296, 69559), (518, 39748), (523, 39368), (532, 38702), (703, 29288), (1036, 19874), (1046, 19684), (1064, 19351), (1406, 14644), (2072, 9937), (2092, 9842), (2812, 7322), (3661, 5624), (4184, 4921)]