20198763

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5569}}^1$

素因数の和:5619

約数の個数: 24

約数和(自身を含む): 32439680

約数和(自身を除く): 12240917

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5569, 16707, 50121, 72397, 172639, 217191, 517917, 651573, 1553751, 2244307, 6732921, 20198763]

約数ペア:

[(1, 20198763), (3, 6732921), (9, 2244307), (13, 1553751), (31, 651573), (39, 517917), (93, 217191), (117, 172639), (279, 72397), (403, 50121), (1209, 16707), (3627, 5569)]