20966938

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 34320384

約数和(自身を除く): 13353446

約数列:

[1, 2, 23, 37, 46, 74, 97, 127, 194, 254, 851, 1702, 2231, 2921, 3589, 4462, 4699, 5842, 7178, 9398, 12319, 24638, 82547, 108077, 165094, 216154, 283337, 455803, 566674, 911606, 10483469, 20966938]

約数ペア:

[(1, 20966938), (2, 10483469), (23, 911606), (37, 566674), (46, 455803), (74, 283337), (97, 216154), (127, 165094), (194, 108077), (254, 82547), (851, 24638), (1702, 12319), (2231, 9398), (2921, 7178), (3589, 5842), (4462, 4699)]