20559258

素因数分解:

$2^1\times 3^6\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 56

約数和(自身を含む): 47217600

約数和(自身を除く): 26658342

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 239, 243, 354, 478, 486, 531, 717, 729, 1062, 1434, 1458, 1593, 2151, 3186, 4302, 4779, 6453, 9558, 12906, 14101, 14337, 19359, 28202, 28674, 38718, 42303, 43011, 58077, 84606, 86022, 116154, 126909, 174231, 253818, 348462, 380727, 761454, 1142181, 2284362, 3426543, 6853086, 10279629, 20559258]

約数ペア:

[(1, 20559258), (2, 10279629), (3, 6853086), (6, 3426543), (9, 2284362), (18, 1142181), (27, 761454), (54, 380727), (59, 348462), (81, 253818), (118, 174231), (162, 126909), (177, 116154), (239, 86022), (243, 84606), (354, 58077), (478, 43011), (486, 42303), (531, 38718), (717, 28674), (729, 28202), (1062, 19359), (1434, 14337), (1458, 14101), (1593, 12906), (2151, 9558), (3186, 6453), (4302, 4779)]