20504043

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 34987520

約数和(自身を除く): 14483477

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 691, 1099, 1413, 2073, 3297, 4239, 4837, 6219, 9891, 14511, 18657, 29673, 43533, 108487, 130599, 325461, 759409, 976383, 2278227, 2929149, 6834681, 20504043]

約数ペア:

[(1, 20504043), (3, 6834681), (7, 2929149), (9, 2278227), (21, 976383), (27, 759409), (63, 325461), (157, 130599), (189, 108487), (471, 43533), (691, 29673), (1099, 18657), (1413, 14511), (2073, 9891), (3297, 6219), (4239, 4837)]