20687546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8627}}^1$

素因数の和:8749

約数の個数: 16

約数和(自身を含む): 34166880

約数和(自身を除く): 13479334

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8627, 17254, 94897, 189794, 940343, 1880686, 10343773, 20687546]

約数ペア:

[(1, 20687546), (2, 10343773), (11, 1880686), (22, 940343), (109, 189794), (218, 94897), (1199, 17254), (2398, 8627)]