20397195672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{343943}}^1$

素因数の和:344312

約数の個数: 64

約数和(自身を含む): 58442964480

約数和(自身を除く): 38045768808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 353, 706, 1059, 1412, 2118, 2471, 2824, 4236, 4942, 7413, 8472, 9884, 14826, 19768, 29652, 59304, 343943, 687886, 1031829, 1375772, 2063658, 2407601, 2751544, 4127316, 4815202, 7222803, 8254632, 9630404, 14445606, 19260808, 28891212, 57782424, 121411879, 242823758, 364235637, 485647516, 728471274, 849883153, 971295032, 1456942548, 1699766306, 2549649459, 2913885096, 3399532612, 5099298918, 6799065224, 10198597836, 20397195672]

約数ペア:

[(1, 20397195672), (2, 10198597836), (3, 6799065224), (4, 5099298918), (6, 3399532612), (7, 2913885096), (8, 2549649459), (12, 1699766306), (14, 1456942548), (21, 971295032), (24, 849883153), (28, 728471274), (42, 485647516), (56, 364235637), (84, 242823758), (168, 121411879), (353, 57782424), (706, 28891212), (1059, 19260808), (1412, 14445606), (2118, 9630404), (2471, 8254632), (2824, 7222803), (4236, 4815202), (4942, 4127316), (7413, 2751544), (8472, 2407601), (9884, 2063658), (14826, 1375772), (19768, 1031829), (29652, 687886), (59304, 343943)]