20636784

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:427

約数の個数: 120

約数和(自身を含む): 67317120

約数和(自身を除く): 46680336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 59, 63, 72, 84, 112, 118, 126, 144, 168, 177, 236, 252, 336, 347, 354, 413, 472, 504, 531, 694, 708, 826, 944, 1008, 1041, 1062, 1239, 1388, 1416, 1652, 2082, 2124, 2429, 2478, 2776, 2832, 3123, 3304, 3717, 4164, 4248, 4858, 4956, 5552, 6246, 6608, 7287, 7434, 8328, 8496, 9716, 9912, 12492, 14574, 14868, 16656, 19432, 19824, 20473, 21861, 24984, 29148, 29736, 38864, 40946, 43722, 49968, 58296, 59472, 61419, 81892, 87444, 116592, 122838, 143311, 163784, 174888, 184257, 245676, 286622, 327568, 349776, 368514, 429933, 491352, 573244, 737028, 859866, 982704, 1146488, 1289799, 1474056, 1719732, 2292976, 2579598, 2948112, 3439464, 5159196, 6878928, 10318392, 20636784]

約数ペア:

[(1, 20636784), (2, 10318392), (3, 6878928), (4, 5159196), (6, 3439464), (7, 2948112), (8, 2579598), (9, 2292976), (12, 1719732), (14, 1474056), (16, 1289799), (18, 1146488), (21, 982704), (24, 859866), (28, 737028), (36, 573244), (42, 491352), (48, 429933), (56, 368514), (59, 349776), (63, 327568), (72, 286622), (84, 245676), (112, 184257), (118, 174888), (126, 163784), (144, 143311), (168, 122838), (177, 116592), (236, 87444), (252, 81892), (336, 61419), (347, 59472), (354, 58296), (413, 49968), (472, 43722), (504, 40946), (531, 38864), (694, 29736), (708, 29148), (826, 24984), (944, 21861), (1008, 20473), (1041, 19824), (1062, 19432), (1239, 16656), (1388, 14868), (1416, 14574), (1652, 12492), (2082, 9912), (2124, 9716), (2429, 8496), (2478, 8328), (2776, 7434), (2832, 7287), (3123, 6608), (3304, 6246), (3717, 5552), (4164, 4956), (4248, 4858)]