20548066

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 20509214

約数列:

[1, 2, 7, 11, 14, 22, 29, 43, 58, 77, 86, 107, 154, 203, 214, 301, 319, 406, 473, 602, 638, 749, 946, 1177, 1247, 1498, 2233, 2354, 2494, 3103, 3311, 4466, 4601, 6206, 6622, 8239, 8729, 9202, 13717, 16478, 17458, 21721, 27434, 32207, 34133, 43442, 50611, 64414, 68266, 96019, 101222, 133429, 192038, 238931, 266858, 354277, 477862, 708554, 934003, 1467719, 1868006, 2935438, 10274033, 20548066]

約数ペア:

[(1, 20548066), (2, 10274033), (7, 2935438), (11, 1868006), (14, 1467719), (22, 934003), (29, 708554), (43, 477862), (58, 354277), (77, 266858), (86, 238931), (107, 192038), (154, 133429), (203, 101222), (214, 96019), (301, 68266), (319, 64414), (406, 50611), (473, 43442), (602, 34133), (638, 32207), (749, 27434), (946, 21721), (1177, 17458), (1247, 16478), (1498, 13717), (2233, 9202), (2354, 8729), (2494, 8239), (3103, 6622), (3311, 6206), (4466, 4601)]