20113951

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 25099760

約数和(自身を除く): 4985809

約数列:

[1, 11, 13, 19, 121, 143, 209, 247, 673, 1573, 2299, 2717, 7403, 8749, 12787, 29887, 81433, 96239, 140657, 166231, 1058629, 1547227, 1828541, 20113951]

約数ペア:

[(1, 20113951), (11, 1828541), (13, 1547227), (19, 1058629), (121, 166231), (143, 140657), (209, 96239), (247, 81433), (673, 29887), (1573, 12787), (2299, 8749), (2717, 7403)]