20256678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6659}}^1$

素因数の和:6693

約数の個数: 36

約数和(自身を含む): 47532420

約数和(自身を除く): 27275742

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6659, 13318, 19977, 39954, 59931, 86567, 119862, 173134, 259701, 519402, 779103, 1125371, 1558206, 2250742, 3376113, 6752226, 10128339, 20256678]

約数ペア:

[(1, 20256678), (2, 10128339), (3, 6752226), (6, 3376113), (9, 2250742), (13, 1558206), (18, 1125371), (26, 779103), (39, 519402), (78, 259701), (117, 173134), (169, 119862), (234, 86567), (338, 59931), (507, 39954), (1014, 19977), (1521, 13318), (3042, 6659)]