20091394

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2753}}^1$

素因数の和:2885

約数の個数: 16

約数和(自身を含む): 31230360

約数和(自身を除く): 11138966

約数列:

[1, 2, 41, 82, 89, 178, 2753, 3649, 5506, 7298, 112873, 225746, 245017, 490034, 10045697, 20091394]

約数ペア:

[(1, 20091394), (2, 10045697), (41, 490034), (82, 245017), (89, 225746), (178, 112873), (2753, 7298), (3649, 5506)]