20666295

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35327}}^1$

素因数の和:35351

約数の個数: 24

約数和(自身を含む): 38578176

約数和(自身を除く): 17911881

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35327, 105981, 176635, 317943, 459251, 529905, 1377753, 1589715, 2296255, 4133259, 6888765, 20666295]

約数ペア:

[(1, 20666295), (3, 6888765), (5, 4133259), (9, 2296255), (13, 1589715), (15, 1377753), (39, 529905), (45, 459251), (65, 317943), (117, 176635), (195, 105981), (585, 35327)]