20781617692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{2011}}^1\times {\mathrm{234863}}^1$

素因数の和:236889

約数の個数: 24

約数和(自身を含む): 39693894912

約数和(自身を除く): 18912277220

約数列:

[1, 2, 4, 11, 22, 44, 2011, 4022, 8044, 22121, 44242, 88484, 234863, 469726, 939452, 2583493, 5166986, 10333972, 472309493, 944618986, 1889237972, 5195404423, 10390808846, 20781617692]

約数ペア:

[(1, 20781617692), (2, 10390808846), (4, 5195404423), (11, 1889237972), (22, 944618986), (44, 472309493), (2011, 10333972), (4022, 5166986), (8044, 2583493), (22121, 939452), (44242, 469726), (88484, 234863)]