20201684

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 36456000

約数和(自身を除く): 16254316

約数列:

[1, 2, 4, 41, 82, 164, 199, 398, 619, 796, 1238, 2476, 8159, 16318, 25379, 32636, 50758, 101516, 123181, 246362, 492724, 5050421, 10100842, 20201684]

約数ペア:

[(1, 20201684), (2, 10100842), (4, 5050421), (41, 492724), (82, 246362), (164, 123181), (199, 101516), (398, 50758), (619, 32636), (796, 25379), (1238, 16318), (2476, 8159)]