20752402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21937}}^1$

素因数の和:21993

約数の個数: 16

約数和(自身を含む): 34749792

約数和(自身を除く): 13997390

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21937, 43874, 241307, 482614, 943291, 1886582, 10376201, 20752402]

約数ペア:

[(1, 20752402), (2, 10376201), (11, 1886582), (22, 943291), (43, 482614), (86, 241307), (473, 43874), (946, 21937)]