20307609

素因数分解:

$3^2\times 7^2\times {\mathrm{46049}}^1$

素因数の和:46069

約数の個数: 18

約数和(自身を含む): 34123050

約数和(自身を除く): 13815441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46049, 138147, 322343, 414441, 967029, 2256401, 2901087, 6769203, 20307609]

約数ペア:

[(1, 20307609), (3, 6769203), (7, 2901087), (9, 2256401), (21, 967029), (49, 414441), (63, 322343), (147, 138147), (441, 46049)]