20692440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 67813200

約数和(自身を除く): 47120760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 229, 251, 360, 458, 502, 687, 753, 916, 1004, 1145, 1255, 1374, 1506, 1832, 2008, 2061, 2259, 2290, 2510, 2748, 3012, 3435, 3765, 4122, 4518, 4580, 5020, 5496, 6024, 6870, 7530, 8244, 9036, 9160, 10040, 10305, 11295, 13740, 15060, 16488, 18072, 20610, 22590, 27480, 30120, 41220, 45180, 57479, 82440, 90360, 114958, 172437, 229916, 287395, 344874, 459832, 517311, 574790, 689748, 862185, 1034622, 1149580, 1379496, 1724370, 2069244, 2299160, 2586555, 3448740, 4138488, 5173110, 6897480, 10346220, 20692440]

約数ペア:

[(1, 20692440), (2, 10346220), (3, 6897480), (4, 5173110), (5, 4138488), (6, 3448740), (8, 2586555), (9, 2299160), (10, 2069244), (12, 1724370), (15, 1379496), (18, 1149580), (20, 1034622), (24, 862185), (30, 689748), (36, 574790), (40, 517311), (45, 459832), (60, 344874), (72, 287395), (90, 229916), (120, 172437), (180, 114958), (229, 90360), (251, 82440), (360, 57479), (458, 45180), (502, 41220), (687, 30120), (753, 27480), (916, 22590), (1004, 20610), (1145, 18072), (1255, 16488), (1374, 15060), (1506, 13740), (1832, 11295), (2008, 10305), (2061, 10040), (2259, 9160), (2290, 9036), (2510, 8244), (2748, 7530), (3012, 6870), (3435, 6024), (3765, 5496), (4122, 5020), (4518, 4580)]