20440018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12791}}^1$

素因数の和:12857

約数の個数: 16

約数和(自身を含む): 33156864

約数和(自身を除く): 12716846

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 12791, 25582, 217447, 434894, 601177, 1202354, 10220009, 20440018]

約数ペア:

[(1, 20440018), (2, 10220009), (17, 1202354), (34, 601177), (47, 434894), (94, 217447), (799, 25582), (1598, 12791)]