20761776

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 68090880

約数和(自身を除く): 47329104

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 56, 63, 72, 84, 86, 112, 126, 129, 144, 168, 172, 252, 258, 301, 336, 344, 387, 479, 504, 516, 602, 688, 774, 903, 958, 1008, 1032, 1204, 1437, 1548, 1806, 1916, 2064, 2408, 2709, 2874, 3096, 3353, 3612, 3832, 4311, 4816, 5418, 5748, 6192, 6706, 7224, 7664, 8622, 10059, 10836, 11496, 13412, 14448, 17244, 20118, 20597, 21672, 22992, 26824, 30177, 34488, 40236, 41194, 43344, 53648, 60354, 61791, 68976, 80472, 82388, 120708, 123582, 144179, 160944, 164776, 185373, 241416, 247164, 288358, 329552, 370746, 432537, 482832, 494328, 576716, 741492, 865074, 988656, 1153432, 1297611, 1482984, 1730148, 2306864, 2595222, 2965968, 3460296, 5190444, 6920592, 10380888, 20761776]

約数ペア:

[(1, 20761776), (2, 10380888), (3, 6920592), (4, 5190444), (6, 3460296), (7, 2965968), (8, 2595222), (9, 2306864), (12, 1730148), (14, 1482984), (16, 1297611), (18, 1153432), (21, 988656), (24, 865074), (28, 741492), (36, 576716), (42, 494328), (43, 482832), (48, 432537), (56, 370746), (63, 329552), (72, 288358), (84, 247164), (86, 241416), (112, 185373), (126, 164776), (129, 160944), (144, 144179), (168, 123582), (172, 120708), (252, 82388), (258, 80472), (301, 68976), (336, 61791), (344, 60354), (387, 53648), (479, 43344), (504, 41194), (516, 40236), (602, 34488), (688, 30177), (774, 26824), (903, 22992), (958, 21672), (1008, 20597), (1032, 20118), (1204, 17244), (1437, 14448), (1548, 13412), (1806, 11496), (1916, 10836), (2064, 10059), (2408, 8622), (2709, 7664), (2874, 7224), (3096, 6706), (3353, 6192), (3612, 5748), (3832, 5418), (4311, 4816)]