20390535648

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{23911}}^1$

素因数の和:23987

約数の個数: 240

約数和(自身を含む): 69995971584

約数和(自身を除く): 49605435936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 47, 48, 54, 56, 63, 72, 81, 84, 94, 96, 108, 112, 126, 141, 144, 162, 168, 188, 189, 216, 224, 252, 282, 288, 324, 329, 336, 376, 378, 423, 432, 504, 564, 567, 648, 658, 672, 752, 756, 846, 864, 987, 1008, 1128, 1134, 1269, 1296, 1316, 1504, 1512, 1692, 1974, 2016, 2256, 2268, 2538, 2592, 2632, 2961, 3024, 3384, 3807, 3948, 4512, 4536, 5076, 5264, 5922, 6048, 6768, 7614, 7896, 8883, 9072, 10152, 10528, 11844, 13536, 15228, 15792, 17766, 18144, 20304, 23688, 23911, 26649, 30456, 31584, 35532, 40608, 47376, 47822, 53298, 60912, 71064, 71733, 94752, 95644, 106596, 121824, 142128, 143466, 167377, 191288, 213192, 215199, 284256, 286932, 334754, 382576, 426384, 430398, 502131, 573864, 645597, 669508, 765152, 852768, 860796, 1004262, 1123817, 1147728, 1291194, 1339016, 1506393, 1721592, 1936791, 2008524, 2247634, 2295456, 2582388, 2678032, 3012786, 3371451, 3443184, 3873582, 4017048, 4495268, 4519179, 5164776, 5356064, 6025572, 6742902, 6886368, 7747164, 7866719, 8034096, 8990536, 9038358, 10114353, 10329552, 12051144, 13485804, 13557537, 15494328, 15733438, 16068192, 17981072, 18076716, 20228706, 20659104, 23600157, 24102288, 26971608, 27115074, 30343059, 30988656, 31466876, 35962144, 36153432, 40457412, 47200314, 48204576, 53943216, 54230148, 60686118, 61977312, 62933752, 70800471, 72306864, 80914824, 91029177, 94400628, 107886432, 108460296, 121372236, 125867504, 141600942, 144613728, 161829648, 182058354, 188801256, 212401413, 216920592, 242744472, 251735008, 283201884, 323659296, 364116708, 377602512, 424802826, 433841184, 485488944, 566403768, 637204239, 728233416, 755205024, 849605652, 970977888, 1132807536, 1274408478, 1456466832, 1699211304, 2265615072, 2548816956, 2912933664, 3398422608, 5097633912, 6796845216, 10195267824, 20390535648]

約数ペア:

[(1, 20390535648), (2, 10195267824), (3, 6796845216), (4, 5097633912), (6, 3398422608), (7, 2912933664), (8, 2548816956), (9, 2265615072), (12, 1699211304), (14, 1456466832), (16, 1274408478), (18, 1132807536), (21, 970977888), (24, 849605652), (27, 755205024), (28, 728233416), (32, 637204239), (36, 566403768), (42, 485488944), (47, 433841184), (48, 424802826), (54, 377602512), (56, 364116708), (63, 323659296), (72, 283201884), (81, 251735008), (84, 242744472), (94, 216920592), (96, 212401413), (108, 188801256), (112, 182058354), (126, 161829648), (141, 144613728), (144, 141600942), (162, 125867504), (168, 121372236), (188, 108460296), (189, 107886432), (216, 94400628), (224, 91029177), (252, 80914824), (282, 72306864), (288, 70800471), (324, 62933752), (329, 61977312), (336, 60686118), (376, 54230148), (378, 53943216), (423, 48204576), (432, 47200314), (504, 40457412), (564, 36153432), (567, 35962144), (648, 31466876), (658, 30988656), (672, 30343059), (752, 27115074), (756, 26971608), (846, 24102288), (864, 23600157), (987, 20659104), (1008, 20228706), (1128, 18076716), (1134, 17981072), (1269, 16068192), (1296, 15733438), (1316, 15494328), (1504, 13557537), (1512, 13485804), (1692, 12051144), (1974, 10329552), (2016, 10114353), (2256, 9038358), (2268, 8990536), (2538, 8034096), (2592, 7866719), (2632, 7747164), (2961, 6886368), (3024, 6742902), (3384, 6025572), (3807, 5356064), (3948, 5164776), (4512, 4519179), (4536, 4495268), (5076, 4017048), (5264, 3873582), (5922, 3443184), (6048, 3371451), (6768, 3012786), (7614, 2678032), (7896, 2582388), (8883, 2295456), (9072, 2247634), (10152, 2008524), (10528, 1936791), (11844, 1721592), (13536, 1506393), (15228, 1339016), (15792, 1291194), (17766, 1147728), (18144, 1123817), (20304, 1004262), (23688, 860796), (23911, 852768), (26649, 765152), (30456, 669508), (31584, 645597), (35532, 573864), (40608, 502131), (47376, 430398), (47822, 426384), (53298, 382576), (60912, 334754), (71064, 286932), (71733, 284256), (94752, 215199), (95644, 213192), (106596, 191288), (121824, 167377), (142128, 143466)]