20321872

素因数分解:

$2^4\times {\mathrm{853}}^1\times {\mathrm{1489}}^1$

素因数の和:2350

約数の個数: 20

約数和(自身を含む): 39446260

約数和(自身を除く): 19124388

約数列:

[1, 2, 4, 8, 16, 853, 1489, 1706, 2978, 3412, 5956, 6824, 11912, 13648, 23824, 1270117, 2540234, 5080468, 10160936, 20321872]

約数ペア:

[(1, 20321872), (2, 10160936), (4, 5080468), (8, 2540234), (16, 1270117), (853, 23824), (1489, 13648), (1706, 11912), (2978, 6824), (3412, 5956)]