20850753

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90263}}^1$

素因数の和:90284

約数の個数: 16

約数和(自身を含む): 34661376

約数和(自身を除く): 13810623

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90263, 270789, 631841, 992893, 1895523, 2978679, 6950251, 20850753]

約数ペア:

[(1, 20850753), (3, 6950251), (7, 2978679), (11, 1895523), (21, 992893), (33, 631841), (77, 270789), (231, 90263)]