20060919

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 31299840

約数和(自身を除く): 11238921

約数列:

[1, 3, 9, 27, 37, 43, 111, 129, 333, 387, 467, 999, 1161, 1401, 1591, 4203, 4773, 12609, 14319, 17279, 20081, 42957, 51837, 60243, 155511, 180729, 466533, 542187, 742997, 2228991, 6686973, 20060919]

約数ペア:

[(1, 20060919), (3, 6686973), (9, 2228991), (27, 742997), (37, 542187), (43, 466533), (111, 180729), (129, 155511), (333, 60243), (387, 51837), (467, 42957), (999, 20081), (1161, 17279), (1401, 14319), (1591, 12609), (4203, 4773)]