20921043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48767}}^1$

素因数の和:48794

約数の個数: 16

約数和(自身を含む): 32772096

約数和(自身を除く): 11851053

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48767, 146301, 536437, 633971, 1609311, 1901913, 6973681, 20921043]

約数ペア:

[(1, 20921043), (3, 6973681), (11, 1901913), (13, 1609311), (33, 633971), (39, 536437), (143, 146301), (429, 48767)]