20289918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307423}}^1$

素因数の和:307439

約数の個数: 16

約数和(自身を含む): 44269056

約数和(自身を除く): 23979138

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 307423, 614846, 922269, 1844538, 3381653, 6763306, 10144959, 20289918]

約数ペア:

[(1, 20289918), (2, 10144959), (3, 6763306), (6, 3381653), (11, 1844538), (22, 922269), (33, 614846), (66, 307423)]