20551839

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88969}}^1$

素因数の和:88990

約数の個数: 16

約数和(自身を含む): 34164480

約数和(自身を除く): 13612641

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88969, 266907, 622783, 978659, 1868349, 2935977, 6850613, 20551839]

約数ペア:

[(1, 20551839), (3, 6850613), (7, 2935977), (11, 1868349), (21, 978659), (33, 622783), (77, 266907), (231, 88969)]