20729826

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{88589}}^1$

素因数の和:88610

約数の個数: 24

約数和(自身を含む): 48370140

約数和(自身を除く): 27640314

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 88589, 177178, 265767, 531534, 797301, 1151657, 1594602, 2303314, 3454971, 6909942, 10364913, 20729826]

約数ペア:

[(1, 20729826), (2, 10364913), (3, 6909942), (6, 3454971), (9, 2303314), (13, 1594602), (18, 1151657), (26, 797301), (39, 531534), (78, 265767), (117, 177178), (234, 88589)]