20010306501

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{6343}}^1$

素因数の和:6480

約数の個数: 80

約数和(自身を含む): 33161356800

約数和(自身を除く): 13151050299

約数列:

[1, 3, 9, 17, 27, 29, 51, 79, 81, 87, 153, 237, 261, 459, 493, 711, 783, 1343, 1377, 1479, 2133, 2291, 2349, 4029, 4437, 6343, 6399, 6873, 12087, 13311, 19029, 20619, 36261, 38947, 39933, 57087, 61857, 107831, 108783, 116841, 171261, 183947, 185571, 323493, 350523, 501097, 513783, 551841, 970479, 1051569, 1503291, 1655523, 2911437, 3127099, 3154707, 4509873, 4966569, 8518649, 8734311, 9381297, 13529619, 14531813, 14899707, 25555947, 28143891, 40588857, 43595439, 76667841, 84431673, 130786317, 230003523, 247040821, 253295019, 392358951, 690010569, 741122463, 1177076853, 2223367389, 6670102167, 20010306501]

約数ペア:

[(1, 20010306501), (3, 6670102167), (9, 2223367389), (17, 1177076853), (27, 741122463), (29, 690010569), (51, 392358951), (79, 253295019), (81, 247040821), (87, 230003523), (153, 130786317), (237, 84431673), (261, 76667841), (459, 43595439), (493, 40588857), (711, 28143891), (783, 25555947), (1343, 14899707), (1377, 14531813), (1479, 13529619), (2133, 9381297), (2291, 8734311), (2349, 8518649), (4029, 4966569), (4437, 4509873), (6343, 3154707), (6399, 3127099), (6873, 2911437), (12087, 1655523), (13311, 1503291), (19029, 1051569), (20619, 970479), (36261, 551841), (38947, 513783), (39933, 501097), (57087, 350523), (61857, 323493), (107831, 185571), (108783, 183947), (116841, 171261)]