20155904048

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{10477}}^1$

素因数の和:10774

約数の個数: 80

約数和(自身を含む): 45370578240

約数和(自身を除く): 25214674192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 193, 356, 386, 623, 712, 772, 1246, 1351, 1424, 1544, 2492, 2702, 3088, 4984, 5404, 9968, 10477, 10808, 17177, 20954, 21616, 34354, 41908, 68708, 73339, 83816, 120239, 137416, 146678, 167632, 240478, 274832, 293356, 480956, 586712, 932453, 961912, 1173424, 1864906, 1923824, 2022061, 3729812, 4044122, 6527171, 7459624, 8088244, 13054342, 14154427, 14919248, 16176488, 26108684, 28308854, 32352976, 52217368, 56617708, 104434736, 113235416, 179963429, 226470832, 359926858, 719853716, 1259744003, 1439707432, 2519488006, 2879414864, 5038976012, 10077952024, 20155904048]

約数ペア:

[(1, 20155904048), (2, 10077952024), (4, 5038976012), (7, 2879414864), (8, 2519488006), (14, 1439707432), (16, 1259744003), (28, 719853716), (56, 359926858), (89, 226470832), (112, 179963429), (178, 113235416), (193, 104434736), (356, 56617708), (386, 52217368), (623, 32352976), (712, 28308854), (772, 26108684), (1246, 16176488), (1351, 14919248), (1424, 14154427), (1544, 13054342), (2492, 8088244), (2702, 7459624), (3088, 6527171), (4984, 4044122), (5404, 3729812), (9968, 2022061), (10477, 1923824), (10808, 1864906), (17177, 1173424), (20954, 961912), (21616, 932453), (34354, 586712), (41908, 480956), (68708, 293356), (73339, 274832), (83816, 240478), (120239, 167632), (137416, 146678)]