20454842

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:902

約数の個数: 24

約数和(自身を含む): 33391776

約数和(自身を除く): 12936934

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 823, 1462, 1646, 12427, 13991, 24854, 27982, 35389, 70778, 237847, 475694, 601613, 1203226, 10227421, 20454842]

約数ペア:

[(1, 20454842), (2, 10227421), (17, 1203226), (34, 601613), (43, 475694), (86, 237847), (289, 70778), (578, 35389), (731, 27982), (823, 24854), (1462, 13991), (1646, 12427)]