20809008

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 160

約数和(自身を含む): 67852800

約数和(自身を除く): 47043792

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 29, 33, 36, 44, 48, 54, 58, 66, 72, 87, 88, 99, 108, 116, 132, 144, 151, 174, 176, 198, 216, 232, 261, 264, 297, 302, 319, 348, 396, 432, 453, 464, 522, 528, 594, 604, 638, 696, 783, 792, 906, 957, 1044, 1188, 1208, 1276, 1359, 1392, 1566, 1584, 1661, 1812, 1914, 2088, 2376, 2416, 2552, 2718, 2871, 3132, 3322, 3624, 3828, 4077, 4176, 4379, 4752, 4983, 5104, 5436, 5742, 6264, 6644, 7248, 7656, 8154, 8613, 8758, 9966, 10872, 11484, 12528, 13137, 13288, 14949, 15312, 16308, 17226, 17516, 19932, 21744, 22968, 26274, 26576, 29898, 32616, 34452, 35032, 39411, 39864, 44847, 45936, 48169, 52548, 59796, 65232, 68904, 70064, 78822, 79728, 89694, 96338, 105096, 118233, 119592, 137808, 144507, 157644, 179388, 192676, 210192, 236466, 239184, 289014, 315288, 358776, 385352, 433521, 472932, 578028, 630576, 717552, 770704, 867042, 945864, 1156056, 1300563, 1734084, 1891728, 2312112, 2601126, 3468168, 5202252, 6936336, 10404504, 20809008]

約数ペア:

[(1, 20809008), (2, 10404504), (3, 6936336), (4, 5202252), (6, 3468168), (8, 2601126), (9, 2312112), (11, 1891728), (12, 1734084), (16, 1300563), (18, 1156056), (22, 945864), (24, 867042), (27, 770704), (29, 717552), (33, 630576), (36, 578028), (44, 472932), (48, 433521), (54, 385352), (58, 358776), (66, 315288), (72, 289014), (87, 239184), (88, 236466), (99, 210192), (108, 192676), (116, 179388), (132, 157644), (144, 144507), (151, 137808), (174, 119592), (176, 118233), (198, 105096), (216, 96338), (232, 89694), (261, 79728), (264, 78822), (297, 70064), (302, 68904), (319, 65232), (348, 59796), (396, 52548), (432, 48169), (453, 45936), (464, 44847), (522, 39864), (528, 39411), (594, 35032), (604, 34452), (638, 32616), (696, 29898), (783, 26576), (792, 26274), (906, 22968), (957, 21744), (1044, 19932), (1188, 17516), (1208, 17226), (1276, 16308), (1359, 15312), (1392, 14949), (1566, 13288), (1584, 13137), (1661, 12528), (1812, 11484), (1914, 10872), (2088, 9966), (2376, 8758), (2416, 8613), (2552, 8154), (2718, 7656), (2871, 7248), (3132, 6644), (3322, 6264), (3624, 5742), (3828, 5436), (4077, 5104), (4176, 4983), (4379, 4752)]