20603913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1789}}^1$

素因数の和:2152

約数の個数: 16

約数和(自身を含む): 30072000

約数和(自身を除く): 9468087

約数列:

[1, 3, 11, 33, 349, 1047, 1789, 3839, 5367, 11517, 19679, 59037, 624361, 1873083, 6867971, 20603913]

約数ペア:

[(1, 20603913), (3, 6867971), (11, 1873083), (33, 624361), (349, 59037), (1047, 19679), (1789, 11517), (3839, 5367)]