20510968

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4603}}^1$

素因数の和:5166

約数の個数: 16

約数和(自身を含む): 38535480

約数和(自身を除く): 18024512

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4603, 9206, 18412, 36824, 2563871, 5127742, 10255484, 20510968]

約数ペア:

[(1, 20510968), (2, 10255484), (4, 5127742), (8, 2563871), (557, 36824), (1114, 18412), (2228, 9206), (4456, 4603)]