20193255

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2753}}^1$

素因数の和:2927

約数の個数: 24

約数和(自身を含む): 35229168

約数和(自身を除く): 15035913

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 2753, 7335, 8259, 13765, 24777, 41295, 123885, 448739, 1346217, 2243695, 4038651, 6731085, 20193255]

約数ペア:

[(1, 20193255), (3, 6731085), (5, 4038651), (9, 2243695), (15, 1346217), (45, 448739), (163, 123885), (489, 41295), (815, 24777), (1467, 13765), (2445, 8259), (2753, 7335)]