20145707217

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3062123}}^1$

素因数の和:3062189

約数の個数: 24

約数和(自身を含む): 31527628704

約数和(自身を除く): 11381921487

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 3062123, 9186369, 27559107, 52056091, 131671289, 156168273, 395013867, 468504819, 1185041601, 2238411913, 6715235739, 20145707217]

約数ペア:

[(1, 20145707217), (3, 6715235739), (9, 2238411913), (17, 1185041601), (43, 468504819), (51, 395013867), (129, 156168273), (153, 131671289), (387, 52056091), (731, 27559107), (2193, 9186369), (6579, 3062123)]