20437156

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1151}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 37545984

約数和(自身を除く): 17108828

約数列:

[1, 2, 4, 23, 46, 92, 193, 386, 772, 1151, 2302, 4439, 4604, 8878, 17756, 26473, 52946, 105892, 222143, 444286, 888572, 5109289, 10218578, 20437156]

約数ペア:

[(1, 20437156), (2, 10218578), (4, 5109289), (23, 888572), (46, 444286), (92, 222143), (193, 105892), (386, 52946), (772, 26473), (1151, 17756), (2302, 8878), (4439, 4604)]