20309542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4639}}^1$

素因数の和:4851

約数の個数: 16

約数和(自身を含む): 33408000

約数和(自身を除く): 13098458

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4639, 9278, 51029, 102058, 923161, 1846322, 10154771, 20309542]

約数ペア:

[(1, 20309542), (2, 10154771), (11, 1846322), (22, 923161), (199, 102058), (398, 51029), (2189, 9278), (4378, 4639)]