20089867869

素因数分解:

$3^2\times {\mathrm{449}}^1\times {\mathrm{2081}}^1\times {\mathrm{2389}}^1$

素因数の和:4925

約数の個数: 24

約数和(自身を含む): 29109483000

約数和(自身を除く): 9019615131

約数列:

[1, 3, 9, 449, 1347, 2081, 2389, 4041, 6243, 7167, 18729, 21501, 934369, 1072661, 2803107, 3217983, 4971509, 8409321, 9653949, 14914527, 44743581, 2232207541, 6696622623, 20089867869]

約数ペア:

[(1, 20089867869), (3, 6696622623), (9, 2232207541), (449, 44743581), (1347, 14914527), (2081, 9653949), (2389, 8409321), (4041, 4971509), (6243, 3217983), (7167, 2803107), (18729, 1072661), (21501, 934369)]