20931465802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1968353}}^1$

素因数の和:1968777

約数の個数: 16

約数和(自身を含む): 33895055880

約数和(自身を除く): 12963590078

約数列:

[1, 2, 13, 26, 409, 818, 5317, 10634, 1968353, 3936706, 25588589, 51177178, 805056377, 1610112754, 10465732901, 20931465802]

約数ペア:

[(1, 20931465802), (2, 10465732901), (13, 1610112754), (26, 805056377), (409, 51177178), (818, 25588589), (5317, 3936706), (10634, 1968353)]