20091236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19853}}^1$

素因数の和:19891

約数の個数: 24

約数和(自身を含む): 40025664

約数和(自身を除く): 19934428

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19853, 39706, 79412, 218383, 436766, 456619, 873532, 913238, 1826476, 5022809, 10045618, 20091236]

約数ペア:

[(1, 20091236), (2, 10045618), (4, 5022809), (11, 1826476), (22, 913238), (23, 873532), (44, 456619), (46, 436766), (92, 218383), (253, 79412), (506, 39706), (1012, 19853)]