20426812

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19717}}^1$

素因数の和:19765

約数の個数: 24

約数和(自身を含む): 41959904

約数和(自身を除く): 21533092

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19717, 39434, 78868, 138019, 276038, 552076, 729529, 1459058, 2918116, 5106703, 10213406, 20426812]

約数ペア:

[(1, 20426812), (2, 10213406), (4, 5106703), (7, 2918116), (14, 1459058), (28, 729529), (37, 552076), (74, 276038), (148, 138019), (259, 78868), (518, 39434), (1036, 19717)]