20638048

素因数分解:

$2^5\times {\mathrm{461}}^1\times {\mathrm{1399}}^1$

素因数の和:1870

約数の個数: 24

約数和(自身を含む): 40748400

約数和(自身を除く): 20110352

約数列:

[1, 2, 4, 8, 16, 32, 461, 922, 1399, 1844, 2798, 3688, 5596, 7376, 11192, 14752, 22384, 44768, 644939, 1289878, 2579756, 5159512, 10319024, 20638048]

約数ペア:

[(1, 20638048), (2, 10319024), (4, 5159512), (8, 2579756), (16, 1289878), (32, 644939), (461, 44768), (922, 22384), (1399, 14752), (1844, 11192), (2798, 7376), (3688, 5596)]