20156499

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67867}}^1$

素因数の和:67887

約数の個数: 16

約数和(自身を含む): 32576640

約数和(自身を除く): 12420141

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 67867, 203601, 610803, 746537, 1832409, 2239611, 6718833, 20156499]

約数ペア:

[(1, 20156499), (3, 6718833), (9, 2239611), (11, 1832409), (27, 746537), (33, 610803), (99, 203601), (297, 67867)]