20550796

素因数分解:

$2^2\times 7^2\times {\mathrm{104851}}^1$

素因数の和:104869

約数の個数: 18

約数和(自身を含む): 41835948

約数和(自身を除く): 21285152

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 104851, 209702, 419404, 733957, 1467914, 2935828, 5137699, 10275398, 20550796]

約数ペア:

[(1, 20550796), (2, 10275398), (4, 5137699), (7, 2935828), (14, 1467914), (28, 733957), (49, 419404), (98, 209702), (196, 104851)]