20414156

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31699}}^1$

素因数の和:31733

約数の個数: 24

約数和(自身を含む): 42604800

約数和(自身を除く): 22190644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31699, 63398, 126796, 221893, 443786, 729077, 887572, 1458154, 2916308, 5103539, 10207078, 20414156]

約数ペア:

[(1, 20414156), (2, 10207078), (4, 5103539), (7, 2916308), (14, 1458154), (23, 887572), (28, 729077), (46, 443786), (92, 221893), (161, 126796), (322, 63398), (644, 31699)]