20347788380

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2882123}}^1$

素因数の和:2882485

約数の個数: 24

約数和(自身を含む): 42851419632

約数和(自身を除く): 22503631252

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 2882123, 5764246, 11528492, 14410615, 28821230, 57642460, 1017389419, 2034778838, 4069557676, 5086947095, 10173894190, 20347788380]

約数ペア:

[(1, 20347788380), (2, 10173894190), (4, 5086947095), (5, 4069557676), (10, 2034778838), (20, 1017389419), (353, 57642460), (706, 28821230), (1412, 14410615), (1765, 11528492), (3530, 5764246), (7060, 2882123)]