20952866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2399}}^1$

素因数の和:2809

約数の個数: 16

約数和(自身を含む): 34387200

約数和(自身を除く): 13434334

約数列:

[1, 2, 11, 22, 397, 794, 2399, 4367, 4798, 8734, 26389, 52778, 952403, 1904806, 10476433, 20952866]

約数ペア:

[(1, 20952866), (2, 10476433), (11, 1904806), (22, 952403), (397, 52778), (794, 26389), (2399, 8734), (4367, 4798)]