20802088

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63421}}^1$

素因数の和:63468

約数の個数: 16

約数和(自身を含む): 39955860

約数和(自身を除く): 19153772

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63421, 126842, 253684, 507368, 2600261, 5200522, 10401044, 20802088]

約数ペア:

[(1, 20802088), (2, 10401044), (4, 5200522), (8, 2600261), (41, 507368), (82, 253684), (164, 126842), (328, 63421)]