20637813

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57809}}^1$

素因数の和:57836

約数の個数: 16

約数和(自身を含む): 33298560

約数和(自身を除く): 12660747

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57809, 173427, 404663, 982753, 1213989, 2948259, 6879271, 20637813]

約数ペア:

[(1, 20637813), (3, 6879271), (7, 2948259), (17, 1213989), (21, 982753), (51, 404663), (119, 173427), (357, 57809)]