20345955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{193771}}^1$

素因数の和:193786

約数の個数: 16

約数和(自身を含む): 37204224

約数和(自身を除く): 16858269

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 193771, 581313, 968855, 1356397, 2906565, 4069191, 6781985, 20345955]

約数ペア:

[(1, 20345955), (3, 6781985), (5, 4069191), (7, 2906565), (15, 1356397), (21, 968855), (35, 581313), (105, 193771)]