20172901917

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9903241}}^1$

素因数の和:9903348

約数の個数: 16

約数和(自身を含む): 31056566912

約数和(自身を除く): 10883664995

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9903241, 29709723, 69322687, 207968061, 960614377, 2881843131, 6724300639, 20172901917]

約数ペア:

[(1, 20172901917), (3, 6724300639), (7, 2881843131), (21, 960614377), (97, 207968061), (291, 69322687), (679, 29709723), (2037, 9903241)]