20198605

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13421}}^1$

素因数の和:13476

約数の個数: 16

約数和(自身を含む): 28347264

約数和(自身を除く): 8148659

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 13421, 67105, 93947, 469735, 577103, 2885515, 4039721, 20198605]

約数ペア:

[(1, 20198605), (5, 4039721), (7, 2885515), (35, 577103), (43, 469735), (215, 93947), (301, 67105), (1505, 13421)]