20805477

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90067}}^1$

素因数の和:90088

約数の個数: 16

約数和(自身を含む): 34586112

約数和(自身を除く): 13780635

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90067, 270201, 630469, 990737, 1891407, 2972211, 6935159, 20805477]

約数ペア:

[(1, 20805477), (3, 6935159), (7, 2972211), (11, 1891407), (21, 990737), (33, 630469), (77, 270201), (231, 90067)]