20643816

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{11783}}^1$

素因数の和:11865

約数の個数: 32

約数和(自身を含む): 52320960

約数和(自身を除く): 31677144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 11783, 23566, 35349, 47132, 70698, 94264, 141396, 282792, 860159, 1720318, 2580477, 3440636, 5160954, 6881272, 10321908, 20643816]

約数ペア:

[(1, 20643816), (2, 10321908), (3, 6881272), (4, 5160954), (6, 3440636), (8, 2580477), (12, 1720318), (24, 860159), (73, 282792), (146, 141396), (219, 94264), (292, 70698), (438, 47132), (584, 35349), (876, 23566), (1752, 11783)]