20563053

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4391}}^1$

素因数の和:4624

約数の個数: 16

約数和(自身を含む): 31481856

約数和(自身を除く): 10918803

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4391, 4683, 13173, 30737, 92211, 979193, 2937579, 6854351, 20563053]

約数ペア:

[(1, 20563053), (3, 6854351), (7, 2937579), (21, 979193), (223, 92211), (669, 30737), (1561, 13173), (4391, 4683)]