20412931

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{751}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 25555968

約数和(自身を除く): 5143037

約数列:

[1, 7, 11, 77, 353, 751, 2471, 3883, 5257, 8261, 27181, 57827, 265103, 1855721, 2916133, 20412931]

約数ペア:

[(1, 20412931), (7, 2916133), (11, 1855721), (77, 265103), (353, 57827), (751, 27181), (2471, 8261), (3883, 5257)]