20948976

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:771

約数の個数: 80

約数和(自身を含む): 61067520

約数和(自身を除く): 40118544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 108, 142, 144, 213, 216, 284, 426, 432, 568, 639, 683, 852, 1136, 1278, 1366, 1704, 1917, 2049, 2556, 2732, 3408, 3834, 4098, 5112, 5464, 6147, 7668, 8196, 10224, 10928, 12294, 15336, 16392, 18441, 24588, 30672, 32784, 36882, 48493, 49176, 73764, 96986, 98352, 145479, 147528, 193972, 290958, 295056, 387944, 436437, 581916, 775888, 872874, 1163832, 1309311, 1745748, 2327664, 2618622, 3491496, 5237244, 6982992, 10474488, 20948976]

約数ペア:

[(1, 20948976), (2, 10474488), (3, 6982992), (4, 5237244), (6, 3491496), (8, 2618622), (9, 2327664), (12, 1745748), (16, 1309311), (18, 1163832), (24, 872874), (27, 775888), (36, 581916), (48, 436437), (54, 387944), (71, 295056), (72, 290958), (108, 193972), (142, 147528), (144, 145479), (213, 98352), (216, 96986), (284, 73764), (426, 49176), (432, 48493), (568, 36882), (639, 32784), (683, 30672), (852, 24588), (1136, 18441), (1278, 16392), (1366, 15336), (1704, 12294), (1917, 10928), (2049, 10224), (2556, 8196), (2732, 7668), (3408, 6147), (3834, 5464), (4098, 5112)]