20159217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4007}}^1$

素因数の和:4069

約数の個数: 24

約数和(自身を含む): 32096064

約数和(自身を除く): 11936847

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 4007, 5031, 12021, 36063, 52091, 156273, 172301, 468819, 516903, 1550709, 2239913, 6719739, 20159217]

約数ペア:

[(1, 20159217), (3, 6719739), (9, 2239913), (13, 1550709), (39, 516903), (43, 468819), (117, 172301), (129, 156273), (387, 52091), (559, 36063), (1677, 12021), (4007, 5031)]