20996957511

素因数分解:

$3^3\times {\mathrm{1151}}^1\times {\mathrm{675643}}^1$

素因数の和:676803

約数の個数: 16

約数和(自身を含む): 31133675520

約数和(自身を除く): 10136718009

約数列:

[1, 3, 9, 27, 1151, 3453, 10359, 31077, 675643, 2026929, 6080787, 18242361, 777665093, 2332995279, 6998985837, 20996957511]

約数ペア:

[(1, 20996957511), (3, 6998985837), (9, 2332995279), (27, 777665093), (1151, 18242361), (3453, 6080787), (10359, 2026929), (31077, 675643)]