20877442

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2357

約数の個数: 16

約数和(自身を含む): 32280120

約数和(自身を除く): 11402678

約数列:

[1, 2, 53, 89, 106, 178, 2213, 4426, 4717, 9434, 117289, 196957, 234578, 393914, 10438721, 20877442]

約数ペア:

[(1, 20877442), (2, 10438721), (53, 393914), (89, 234578), (106, 196957), (178, 117289), (2213, 9434), (4426, 4717)]