20490810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3539}}^1$

素因数の和:3742

約数の個数: 32

約数和(自身を含む): 49446720

約数和(自身を除く): 28955910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 193, 386, 579, 965, 1158, 1930, 2895, 3539, 5790, 7078, 10617, 17695, 21234, 35390, 53085, 106170, 683027, 1366054, 2049081, 3415135, 4098162, 6830270, 10245405, 20490810]

約数ペア:

[(1, 20490810), (2, 10245405), (3, 6830270), (5, 4098162), (6, 3415135), (10, 2049081), (15, 1366054), (30, 683027), (193, 106170), (386, 53085), (579, 35390), (965, 21234), (1158, 17695), (1930, 10617), (2895, 7078), (3539, 5790)]