20956824

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1029

約数の個数: 96

約数和(自身を含む): 66443520

約数和(自身を除く): 45486696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 56, 63, 72, 84, 86, 126, 129, 168, 172, 252, 258, 301, 344, 387, 504, 516, 602, 774, 903, 967, 1032, 1204, 1548, 1806, 1934, 2408, 2709, 2901, 3096, 3612, 3868, 5418, 5802, 6769, 7224, 7736, 8703, 10836, 11604, 13538, 17406, 20307, 21672, 23208, 27076, 34812, 40614, 41581, 54152, 60921, 69624, 81228, 83162, 121842, 124743, 162456, 166324, 243684, 249486, 291067, 332648, 374229, 487368, 498972, 582134, 748458, 873201, 997944, 1164268, 1496916, 1746402, 2328536, 2619603, 2993832, 3492804, 5239206, 6985608, 10478412, 20956824]

約数ペア:

[(1, 20956824), (2, 10478412), (3, 6985608), (4, 5239206), (6, 3492804), (7, 2993832), (8, 2619603), (9, 2328536), (12, 1746402), (14, 1496916), (18, 1164268), (21, 997944), (24, 873201), (28, 748458), (36, 582134), (42, 498972), (43, 487368), (56, 374229), (63, 332648), (72, 291067), (84, 249486), (86, 243684), (126, 166324), (129, 162456), (168, 124743), (172, 121842), (252, 83162), (258, 81228), (301, 69624), (344, 60921), (387, 54152), (504, 41581), (516, 40614), (602, 34812), (774, 27076), (903, 23208), (967, 21672), (1032, 20307), (1204, 17406), (1548, 13538), (1806, 11604), (1934, 10836), (2408, 8703), (2709, 7736), (2901, 7224), (3096, 6769), (3612, 5802), (3868, 5418)]