20471607

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9209}}^1$

素因数の和:9247

約数の個数: 24

約数和(自身を含む): 33524400

約数和(自身を除く): 13052793

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9209, 27627, 82881, 119717, 174971, 359151, 524913, 1077453, 1574739, 2274623, 6823869, 20471607]

約数ペア:

[(1, 20471607), (3, 6823869), (9, 2274623), (13, 1574739), (19, 1077453), (39, 524913), (57, 359151), (117, 174971), (171, 119717), (247, 82881), (741, 27627), (2223, 9209)]