20172687988

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{46267633}}^1$

素因数の和:46267746

約数の個数: 12

約数和(自身を含む): 35626078180

約数和(自身を除く): 15453390192

約数列:

[1, 2, 4, 109, 218, 436, 46267633, 92535266, 185070532, 5043171997, 10086343994, 20172687988]

約数ペア:

[(1, 20172687988), (2, 10086343994), (4, 5043171997), (109, 185070532), (218, 92535266), (436, 46267633)]