20797972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6779}}^1$

素因数の和:6855

約数の個数: 24

約数和(自身を含む): 39866400

約数和(自身を除く): 19068428

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6779, 13558, 27116, 88127, 176254, 352508, 399961, 799922, 1599844, 5199493, 10398986, 20797972]

約数ペア:

[(1, 20797972), (2, 10398986), (4, 5199493), (13, 1599844), (26, 799922), (52, 399961), (59, 352508), (118, 176254), (236, 88127), (767, 27116), (1534, 13558), (3068, 6779)]