20808869758

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{2161}}^1\times {\mathrm{44171}}^1$

素因数の和:46443

約数の個数: 16

約数和(自身を含む): 31514955120

約数和(自身を除く): 10706085362

約数列:

[1, 2, 109, 218, 2161, 4322, 44171, 88342, 235549, 471098, 4814639, 9629278, 95453531, 190907062, 10404434879, 20808869758]

約数ペア:

[(1, 20808869758), (2, 10404434879), (109, 190907062), (218, 95453531), (2161, 9629278), (4322, 4814639), (44171, 471098), (88342, 235549)]