20810966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49787}}^1$

素因数の和:49819

約数の個数: 16

約数和(自身を含む): 35847360

約数和(自身を除く): 15036394

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49787, 99574, 547657, 945953, 1095314, 1891906, 10405483, 20810966]

約数ペア:

[(1, 20810966), (2, 10405483), (11, 1891906), (19, 1095314), (22, 945953), (38, 547657), (209, 99574), (418, 49787)]