20491272

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{4993}}^1$

素因数の和:5027

約数の個数: 64

約数和(自身を含む): 59928000

約数和(自身を除く): 39436728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 4993, 9986, 14979, 19972, 29958, 39944, 44937, 59916, 89874, 94867, 119832, 134811, 179748, 189734, 269622, 284601, 359496, 379468, 539244, 569202, 758936, 853803, 1078488, 1138404, 1707606, 2276808, 2561409, 3415212, 5122818, 6830424, 10245636, 20491272]

約数ペア:

[(1, 20491272), (2, 10245636), (3, 6830424), (4, 5122818), (6, 3415212), (8, 2561409), (9, 2276808), (12, 1707606), (18, 1138404), (19, 1078488), (24, 853803), (27, 758936), (36, 569202), (38, 539244), (54, 379468), (57, 359496), (72, 284601), (76, 269622), (108, 189734), (114, 179748), (152, 134811), (171, 119832), (216, 94867), (228, 89874), (342, 59916), (456, 44937), (513, 39944), (684, 29958), (1026, 19972), (1368, 14979), (2052, 9986), (4104, 4993)]