20623743

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2897}}^1$

素因数の和:3023

約数の個数: 24

約数和(自身を含む): 34358688

約数和(自身を除く): 13734945

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 2897, 7119, 8691, 20279, 26073, 60837, 182511, 327361, 982083, 2291527, 2946249, 6874581, 20623743]

約数ペア:

[(1, 20623743), (3, 6874581), (7, 2946249), (9, 2291527), (21, 982083), (63, 327361), (113, 182511), (339, 60837), (791, 26073), (1017, 20279), (2373, 8691), (2897, 7119)]