20863089

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19813}}^1$

素因数の和:19838

約数の個数: 20

約数和(自身を含む): 33564916

約数和(自身を除く): 12701827

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19813, 59439, 178317, 257569, 534951, 772707, 1604853, 2318121, 6954363, 20863089]

約数ペア:

[(1, 20863089), (3, 6954363), (9, 2318121), (13, 1604853), (27, 772707), (39, 534951), (81, 257569), (117, 178317), (351, 59439), (1053, 19813)]