20435109

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{4057}}^1$

素因数の和:4156

約数の個数: 16

約数和(自身を含む): 28828032

約数和(自身を除く): 8392923

約数列:

[1, 3, 23, 69, 73, 219, 1679, 4057, 5037, 12171, 93311, 279933, 296161, 888483, 6811703, 20435109]

約数ペア:

[(1, 20435109), (3, 6811703), (23, 888483), (69, 296161), (73, 279933), (219, 93311), (1679, 12171), (4057, 5037)]