20172657064

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 44606016000

約数和(自身を除く): 24433358936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 137, 146, 181, 199, 274, 292, 362, 398, 511, 548, 584, 724, 796, 959, 1022, 1096, 1267, 1393, 1448, 1592, 1918, 2044, 2534, 2786, 3836, 4088, 5068, 5572, 7672, 10001, 10136, 11144, 13213, 14527, 20002, 24797, 26426, 27263, 29054, 36019, 40004, 49594, 52852, 54526, 58108, 70007, 72038, 80008, 92491, 99188, 101689, 105704, 109052, 116216, 140014, 144076, 173579, 184982, 190841, 198376, 203378, 218104, 252133, 280028, 288152, 347158, 369964, 381682, 406756, 504266, 560056, 694316, 739928, 763364, 813512, 1008532, 1388632, 1526728, 1810181, 1990199, 2017064, 2629387, 3620362, 3980398, 4934603, 5258774, 7240724, 7960796, 9869206, 10517548, 12671267, 13931393, 14481448, 15921592, 18405709, 19738412, 21035096, 25342534, 27862786, 34542221, 36811418, 39476824, 50685068, 55725572, 69084442, 73622836, 101370136, 111451144, 138168884, 147245672, 276337768, 360226019, 720452038, 1440904076, 2521582133, 2881808152, 5043164266, 10086328532, 20172657064]

約数ペア:

[(1, 20172657064), (2, 10086328532), (4, 5043164266), (7, 2881808152), (8, 2521582133), (14, 1440904076), (28, 720452038), (56, 360226019), (73, 276337768), (137, 147245672), (146, 138168884), (181, 111451144), (199, 101370136), (274, 73622836), (292, 69084442), (362, 55725572), (398, 50685068), (511, 39476824), (548, 36811418), (584, 34542221), (724, 27862786), (796, 25342534), (959, 21035096), (1022, 19738412), (1096, 18405709), (1267, 15921592), (1393, 14481448), (1448, 13931393), (1592, 12671267), (1918, 10517548), (2044, 9869206), (2534, 7960796), (2786, 7240724), (3836, 5258774), (4088, 4934603), (5068, 3980398), (5572, 3620362), (7672, 2629387), (10001, 2017064), (10136, 1990199), (11144, 1810181), (13213, 1526728), (14527, 1388632), (20002, 1008532), (24797, 813512), (26426, 763364), (27263, 739928), (29054, 694316), (36019, 560056), (40004, 504266), (49594, 406756), (52852, 381682), (54526, 369964), (58108, 347158), (70007, 288152), (72038, 280028), (80008, 252133), (92491, 218104), (99188, 203378), (101689, 198376), (105704, 190841), (109052, 184982), (116216, 173579), (140014, 144076)]