20464491792

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1641

約数の個数: 160

約数和(自身を含む): 55321002880

約数和(自身を除く): 34856511088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 67, 73, 122, 134, 146, 183, 201, 219, 244, 268, 292, 366, 402, 438, 488, 536, 584, 732, 804, 876, 976, 1072, 1168, 1429, 1464, 1608, 1752, 2858, 2928, 3216, 3504, 4087, 4287, 4453, 4891, 5716, 8174, 8574, 8906, 9782, 11432, 12261, 13359, 14673, 16348, 17148, 17812, 19564, 22864, 24522, 26718, 29346, 32696, 34296, 35624, 39128, 49044, 53436, 58692, 65392, 68592, 71248, 78256, 87169, 95743, 98088, 104317, 106872, 117384, 174338, 191486, 196176, 208634, 213744, 234768, 261507, 287229, 298351, 312951, 348676, 382972, 417268, 523014, 574458, 596702, 625902, 697352, 765944, 834536, 895053, 1046028, 1148916, 1193404, 1251804, 1394704, 1531888, 1669072, 1790106, 2092056, 2297832, 2386808, 2503608, 3580212, 4184112, 4595664, 4773616, 5007216, 5840323, 6363337, 6989239, 7160424, 11680646, 12726674, 13978478, 14320848, 17520969, 19090011, 20967717, 23361292, 25453348, 27956956, 35041938, 38180022, 41935434, 46722584, 50906696, 55913912, 70083876, 76360044, 83870868, 93445168, 101813392, 111827824, 140167752, 152720088, 167741736, 280335504, 305440176, 335483472, 426343579, 852687158, 1279030737, 1705374316, 2558061474, 3410748632, 5116122948, 6821497264, 10232245896, 20464491792]

約数ペア:

[(1, 20464491792), (2, 10232245896), (3, 6821497264), (4, 5116122948), (6, 3410748632), (8, 2558061474), (12, 1705374316), (16, 1279030737), (24, 852687158), (48, 426343579), (61, 335483472), (67, 305440176), (73, 280335504), (122, 167741736), (134, 152720088), (146, 140167752), (183, 111827824), (201, 101813392), (219, 93445168), (244, 83870868), (268, 76360044), (292, 70083876), (366, 55913912), (402, 50906696), (438, 46722584), (488, 41935434), (536, 38180022), (584, 35041938), (732, 27956956), (804, 25453348), (876, 23361292), (976, 20967717), (1072, 19090011), (1168, 17520969), (1429, 14320848), (1464, 13978478), (1608, 12726674), (1752, 11680646), (2858, 7160424), (2928, 6989239), (3216, 6363337), (3504, 5840323), (4087, 5007216), (4287, 4773616), (4453, 4595664), (4891, 4184112), (5716, 3580212), (8174, 2503608), (8574, 2386808), (8906, 2297832), (9782, 2092056), (11432, 1790106), (12261, 1669072), (13359, 1531888), (14673, 1394704), (16348, 1251804), (17148, 1193404), (17812, 1148916), (19564, 1046028), (22864, 895053), (24522, 834536), (26718, 765944), (29346, 697352), (32696, 625902), (34296, 596702), (35624, 574458), (39128, 523014), (49044, 417268), (53436, 382972), (58692, 348676), (65392, 312951), (68592, 298351), (71248, 287229), (78256, 261507), (87169, 234768), (95743, 213744), (98088, 208634), (104317, 196176), (106872, 191486), (117384, 174338)]