20960918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8741}}^1$

素因数の和:8863

約数の個数: 16

約数和(自身を含む): 34618320

約数和(自身を除く): 13657402

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8741, 17482, 96151, 192302, 952769, 1905538, 10480459, 20960918]

約数ペア:

[(1, 20960918), (2, 10480459), (11, 1905538), (22, 952769), (109, 192302), (218, 96151), (1199, 17482), (2398, 8741)]