20582716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3931}}^1$

素因数の和:3970

約数の個数: 48

約数和(自身を含む): 47561472

約数和(自身を除く): 26978756

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3931, 5236, 7862, 15724, 27517, 43241, 55034, 66827, 86482, 110068, 133654, 172964, 267308, 302687, 467789, 605374, 735097, 935578, 1210748, 1470194, 1871156, 2940388, 5145679, 10291358, 20582716]

約数ペア:

[(1, 20582716), (2, 10291358), (4, 5145679), (7, 2940388), (11, 1871156), (14, 1470194), (17, 1210748), (22, 935578), (28, 735097), (34, 605374), (44, 467789), (68, 302687), (77, 267308), (119, 172964), (154, 133654), (187, 110068), (238, 86482), (308, 66827), (374, 55034), (476, 43241), (748, 27517), (1309, 15724), (2618, 7862), (3931, 5236)]