20338745

素因数分解:

$5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3359}}^1$

素因数の和:3544

約数の個数: 16

約数和(自身を含む): 28062720

約数和(自身を除く): 7723975

約数列:

[1, 5, 7, 35, 173, 865, 1211, 3359, 6055, 16795, 23513, 117565, 581107, 2905535, 4067749, 20338745]

約数ペア:

[(1, 20338745), (5, 4067749), (7, 2905535), (35, 581107), (173, 117565), (865, 23513), (1211, 16795), (3359, 6055)]