20065653

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 30692480

約数和(自身を除く): 10626827

約数列:

[1, 3, 9, 19, 57, 171, 271, 433, 813, 1299, 2439, 3897, 5149, 8227, 15447, 24681, 46341, 74043, 117343, 352029, 1056087, 2229517, 6688551, 20065653]

約数ペア:

[(1, 20065653), (3, 6688551), (9, 2229517), (19, 1056087), (57, 352029), (171, 117343), (271, 74043), (433, 46341), (813, 24681), (1299, 15447), (2439, 8227), (3897, 5149)]