20166095840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{20947}}^1$

素因数の和:21520

約数の個数: 96

約数和(自身を含む): 52071030144

約数和(自身を除く): 31904934304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 547, 880, 1094, 1760, 2188, 2735, 4376, 5470, 6017, 8752, 10940, 12034, 17504, 20947, 21880, 24068, 30085, 41894, 43760, 48136, 60170, 83788, 87520, 96272, 104735, 120340, 167576, 192544, 209470, 230417, 240680, 335152, 418940, 460834, 481360, 670304, 837880, 921668, 962720, 1152085, 1675760, 1843336, 2304170, 3351520, 3686672, 4608340, 7373344, 9216680, 11458009, 18433360, 22916018, 36866720, 45832036, 57290045, 91664072, 114580090, 126038099, 183328144, 229160180, 252076198, 366656288, 458320360, 504152396, 630190495, 916640720, 1008304792, 1260380990, 1833281440, 2016609584, 2520761980, 4033219168, 5041523960, 10083047920, 20166095840]

約数ペア:

[(1, 20166095840), (2, 10083047920), (4, 5041523960), (5, 4033219168), (8, 2520761980), (10, 2016609584), (11, 1833281440), (16, 1260380990), (20, 1008304792), (22, 916640720), (32, 630190495), (40, 504152396), (44, 458320360), (55, 366656288), (80, 252076198), (88, 229160180), (110, 183328144), (160, 126038099), (176, 114580090), (220, 91664072), (352, 57290045), (440, 45832036), (547, 36866720), (880, 22916018), (1094, 18433360), (1760, 11458009), (2188, 9216680), (2735, 7373344), (4376, 4608340), (5470, 3686672), (6017, 3351520), (8752, 2304170), (10940, 1843336), (12034, 1675760), (17504, 1152085), (20947, 962720), (21880, 921668), (24068, 837880), (30085, 670304), (41894, 481360), (43760, 460834), (48136, 418940), (60170, 335152), (83788, 240680), (87520, 230417), (96272, 209470), (104735, 192544), (120340, 167576)]