20277768

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 60492960

約数和(自身を除く): 40215192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 49, 56, 84, 86, 98, 129, 147, 168, 172, 196, 258, 294, 301, 344, 392, 401, 516, 588, 602, 802, 903, 1032, 1176, 1203, 1204, 1604, 1806, 2107, 2406, 2408, 2807, 3208, 3612, 4214, 4812, 5614, 6321, 7224, 8421, 8428, 9624, 11228, 12642, 16842, 16856, 17243, 19649, 22456, 25284, 33684, 34486, 39298, 50568, 51729, 58947, 67368, 68972, 78596, 103458, 117894, 120701, 137944, 157192, 206916, 235788, 241402, 362103, 413832, 471576, 482804, 724206, 844907, 965608, 1448412, 1689814, 2534721, 2896824, 3379628, 5069442, 6759256, 10138884, 20277768]

約数ペア:

[(1, 20277768), (2, 10138884), (3, 6759256), (4, 5069442), (6, 3379628), (7, 2896824), (8, 2534721), (12, 1689814), (14, 1448412), (21, 965608), (24, 844907), (28, 724206), (42, 482804), (43, 471576), (49, 413832), (56, 362103), (84, 241402), (86, 235788), (98, 206916), (129, 157192), (147, 137944), (168, 120701), (172, 117894), (196, 103458), (258, 78596), (294, 68972), (301, 67368), (344, 58947), (392, 51729), (401, 50568), (516, 39298), (588, 34486), (602, 33684), (802, 25284), (903, 22456), (1032, 19649), (1176, 17243), (1203, 16856), (1204, 16842), (1604, 12642), (1806, 11228), (2107, 9624), (2406, 8428), (2408, 8421), (2807, 7224), (3208, 6321), (3612, 5614), (4214, 4812)]