20966798

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1931}}^1$

素因数の和:2083

約数の個数: 16

約数和(自身を含む): 32341680

約数和(自身を除く): 11374882

約数列:

[1, 2, 61, 89, 122, 178, 1931, 3862, 5429, 10858, 117791, 171859, 235582, 343718, 10483399, 20966798]

約数ペア:

[(1, 20966798), (2, 10483399), (61, 343718), (89, 235582), (122, 171859), (178, 117791), (1931, 10858), (3862, 5429)]