20801277

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4523}}^1$

素因数の和:4609

約数の個数: 24

約数和(自身を含む): 34816704

約数和(自身を除く): 14015427

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4523, 4599, 13569, 31661, 40707, 94983, 284949, 330179, 990537, 2311253, 2971611, 6933759, 20801277]

約数ペア:

[(1, 20801277), (3, 6933759), (7, 2971611), (9, 2311253), (21, 990537), (63, 330179), (73, 284949), (219, 94983), (511, 40707), (657, 31661), (1533, 13569), (4523, 4599)]