20159118

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:663

約数の個数: 80

約数和(自身を含む): 53491680

約数和(自身を除く): 33332562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 81, 87, 126, 162, 174, 189, 203, 261, 378, 406, 522, 567, 609, 613, 783, 1134, 1218, 1226, 1566, 1827, 1839, 2349, 3654, 3678, 4291, 4698, 5481, 5517, 8582, 10962, 11034, 12873, 16443, 16551, 17777, 25746, 32886, 33102, 35554, 38619, 49653, 53331, 77238, 99306, 106662, 115857, 124439, 159993, 231714, 248878, 319986, 347571, 373317, 479979, 695142, 746634, 959958, 1119951, 1439937, 2239902, 2879874, 3359853, 6719706, 10079559, 20159118]

約数ペア:

[(1, 20159118), (2, 10079559), (3, 6719706), (6, 3359853), (7, 2879874), (9, 2239902), (14, 1439937), (18, 1119951), (21, 959958), (27, 746634), (29, 695142), (42, 479979), (54, 373317), (58, 347571), (63, 319986), (81, 248878), (87, 231714), (126, 159993), (162, 124439), (174, 115857), (189, 106662), (203, 99306), (261, 77238), (378, 53331), (406, 49653), (522, 38619), (567, 35554), (609, 33102), (613, 32886), (783, 25746), (1134, 17777), (1218, 16551), (1226, 16443), (1566, 12873), (1827, 11034), (1839, 10962), (2349, 8582), (3654, 5517), (3678, 5481), (4291, 4698)]