20651452185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{889957}}^1$

素因数の和:890002

約数の個数: 64

約数和(自身を含む): 43059727872

約数和(自身を除く): 22408275687

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 1105, 1365, 1547, 1785, 3315, 4641, 7735, 23205, 889957, 2669871, 4449785, 6229699, 11569441, 13349355, 15129269, 18689097, 31148495, 34708323, 45387807, 57847205, 75646345, 80986087, 93445485, 105904883, 173541615, 196680497, 226939035, 242958261, 317714649, 404930435, 529524415, 590041491, 983402485, 1214791305, 1376763479, 1588573245, 2950207455, 4130290437, 6883817395, 20651452185]

約数ペア:

[(1, 20651452185), (3, 6883817395), (5, 4130290437), (7, 2950207455), (13, 1588573245), (15, 1376763479), (17, 1214791305), (21, 983402485), (35, 590041491), (39, 529524415), (51, 404930435), (65, 317714649), (85, 242958261), (91, 226939035), (105, 196680497), (119, 173541615), (195, 105904883), (221, 93445485), (255, 80986087), (273, 75646345), (357, 57847205), (455, 45387807), (595, 34708323), (663, 31148495), (1105, 18689097), (1365, 15129269), (1547, 13349355), (1785, 11569441), (3315, 6229699), (4641, 4449785), (7735, 2669871), (23205, 889957)]