20065437

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4363}}^1$

素因数の和:4449

約数の個数: 24

約数和(自身を含む): 33585344

約数和(自身を除く): 13519907

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4363, 4599, 13089, 30541, 39267, 91623, 274869, 318499, 955497, 2229493, 2866491, 6688479, 20065437]

約数ペア:

[(1, 20065437), (3, 6688479), (7, 2866491), (9, 2229493), (21, 955497), (63, 318499), (73, 274869), (219, 91623), (511, 39267), (657, 30541), (1533, 13089), (4363, 4599)]