20701143

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{12569}}^1$

素因数の和:12639

約数の個数: 16

約数和(自身を含む): 31173600

約数和(自身を除く): 10472457

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 12569, 37707, 113121, 339363, 766709, 2300127, 6900381, 20701143]

約数ペア:

[(1, 20701143), (3, 6900381), (9, 2300127), (27, 766709), (61, 339363), (183, 113121), (549, 37707), (1647, 12569)]