20229440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 112

約数和(自身を含む): 60130944

約数和(自身を除く): 39901504

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 821, 880, 1120, 1232, 1540, 1642, 1760, 2240, 2464, 3080, 3284, 3520, 4105, 4928, 5747, 6160, 6568, 8210, 9031, 11494, 12320, 13136, 16420, 18062, 22988, 24640, 26272, 28735, 32840, 36124, 45155, 45976, 52544, 57470, 63217, 65680, 72248, 90310, 91952, 114940, 126434, 131360, 144496, 180620, 183904, 229880, 252868, 262720, 288992, 316085, 361240, 367808, 459760, 505736, 577984, 632170, 722480, 919520, 1011472, 1264340, 1444960, 1839040, 2022944, 2528680, 2889920, 4045888, 5057360, 10114720, 20229440]

約数ペア:

[(1, 20229440), (2, 10114720), (4, 5057360), (5, 4045888), (7, 2889920), (8, 2528680), (10, 2022944), (11, 1839040), (14, 1444960), (16, 1264340), (20, 1011472), (22, 919520), (28, 722480), (32, 632170), (35, 577984), (40, 505736), (44, 459760), (55, 367808), (56, 361240), (64, 316085), (70, 288992), (77, 262720), (80, 252868), (88, 229880), (110, 183904), (112, 180620), (140, 144496), (154, 131360), (160, 126434), (176, 114940), (220, 91952), (224, 90310), (280, 72248), (308, 65680), (320, 63217), (352, 57470), (385, 52544), (440, 45976), (448, 45155), (560, 36124), (616, 32840), (704, 28735), (770, 26272), (821, 24640), (880, 22988), (1120, 18062), (1232, 16420), (1540, 13136), (1642, 12320), (1760, 11494), (2240, 9031), (2464, 8210), (3080, 6568), (3284, 6160), (3520, 5747), (4105, 4928)]