20216992848

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{689341}}^1$

素因数の和:689412

約数の個数: 80

約数和(自身を含む): 57441490176

約数和(自身を除く): 37224497328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 78, 94, 104, 141, 156, 188, 208, 282, 312, 376, 564, 611, 624, 752, 1128, 1222, 1833, 2256, 2444, 3666, 4888, 7332, 9776, 14664, 29328, 689341, 1378682, 2068023, 2757364, 4136046, 5514728, 8272092, 8961433, 11029456, 16544184, 17922866, 26884299, 32399027, 33088368, 35845732, 53768598, 64798054, 71691464, 97197081, 107537196, 129596108, 143382928, 194394162, 215074392, 259192216, 388788324, 421187351, 430148784, 518384432, 777576648, 842374702, 1263562053, 1555153296, 1684749404, 2527124106, 3369498808, 5054248212, 6738997616, 10108496424, 20216992848]

約数ペア:

[(1, 20216992848), (2, 10108496424), (3, 6738997616), (4, 5054248212), (6, 3369498808), (8, 2527124106), (12, 1684749404), (13, 1555153296), (16, 1263562053), (24, 842374702), (26, 777576648), (39, 518384432), (47, 430148784), (48, 421187351), (52, 388788324), (78, 259192216), (94, 215074392), (104, 194394162), (141, 143382928), (156, 129596108), (188, 107537196), (208, 97197081), (282, 71691464), (312, 64798054), (376, 53768598), (564, 35845732), (611, 33088368), (624, 32399027), (752, 26884299), (1128, 17922866), (1222, 16544184), (1833, 11029456), (2256, 8961433), (2444, 8272092), (3666, 5514728), (4888, 4136046), (7332, 2757364), (9776, 2068023), (14664, 1378682), (29328, 689341)]