20886770

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{39409}}^1$

素因数の和:39469

約数の個数: 16

約数和(自身を含む): 38306520

約数和(自身を除く): 17419750

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 39409, 78818, 197045, 394090, 2088677, 4177354, 10443385, 20886770]

約数ペア:

[(1, 20886770), (2, 10443385), (5, 4177354), (10, 2088677), (53, 394090), (106, 197045), (265, 78818), (530, 39409)]