20178873

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15679}}^1$

素因数の和:15709

約数の個数: 24

約数和(自身を含む): 34245120

約数和(自身を除く): 14066247

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15679, 47037, 141111, 172469, 203827, 517407, 611481, 1552221, 1834443, 2242097, 6726291, 20178873]

約数ペア:

[(1, 20178873), (3, 6726291), (9, 2242097), (11, 1834443), (13, 1552221), (33, 611481), (39, 517407), (99, 203827), (117, 172469), (143, 141111), (429, 47037), (1287, 15679)]