20089839

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{86969}}^1$

素因数の和:86990

約数の個数: 16

約数和(自身を含む): 33396480

約数和(自身を除く): 13306641

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 86969, 260907, 608783, 956659, 1826349, 2869977, 6696613, 20089839]

約数ペア:

[(1, 20089839), (3, 6696613), (7, 2869977), (11, 1826349), (21, 956659), (33, 608783), (77, 260907), (231, 86969)]