20197032009

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87433039}}^1$

素因数の和:87433060

約数の個数: 16

約数和(自身を含む): 33574287360

約数和(自身を除く): 13377255351

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87433039, 262299117, 612031273, 961763429, 1836093819, 2885290287, 6732344003, 20197032009]

約数ペア:

[(1, 20197032009), (3, 6732344003), (7, 2885290287), (11, 1836093819), (21, 961763429), (33, 612031273), (77, 262299117), (231, 87433039)]