20202878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2207}}^1$

素因数の和:2431

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 11592322

約数列:

[1, 2, 23, 46, 199, 398, 2207, 4414, 4577, 9154, 50761, 101522, 439193, 878386, 10101439, 20202878]

約数ペア:

[(1, 20202878), (2, 10101439), (23, 878386), (46, 439193), (199, 101522), (398, 50761), (2207, 9154), (4414, 4577)]