20969836

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1181}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 38523744

約数和(自身を除く): 17553908

約数列:

[1, 2, 4, 23, 46, 92, 193, 386, 772, 1181, 2362, 4439, 4724, 8878, 17756, 27163, 54326, 108652, 227933, 455866, 911732, 5242459, 10484918, 20969836]

約数ペア:

[(1, 20969836), (2, 10484918), (4, 5242459), (23, 911732), (46, 455866), (92, 227933), (193, 108652), (386, 54326), (772, 27163), (1181, 17756), (2362, 8878), (4439, 4724)]