20342842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1913}}^1$

素因数の和:2337

約数の個数: 16

約数和(自身を含む): 32959080

約数和(自身を除く): 12616238

約数列:

[1, 2, 13, 26, 409, 818, 1913, 3826, 5317, 10634, 24869, 49738, 782417, 1564834, 10171421, 20342842]

約数ペア:

[(1, 20342842), (2, 10171421), (13, 1564834), (26, 782417), (409, 49738), (818, 24869), (1913, 10634), (3826, 5317)]