20804967122

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{1303}}^1\times {\mathrm{73243}}^1$

素因数の和:74657

約数の個数: 16

約数和(自身を含む): 31518358080

約数和(自身を除く): 10713390958

約数列:

[1, 2, 109, 218, 1303, 2606, 73243, 142027, 146486, 284054, 7983487, 15966974, 95435629, 190871258, 10402483561, 20804967122]

約数ペア:

[(1, 20804967122), (2, 10402483561), (109, 190871258), (218, 95435629), (1303, 15966974), (2606, 7983487), (73243, 284054), (142027, 146486)]