20372913

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2819}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 32554080

約数和(自身を除く): 12181167

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2819, 7227, 8457, 25371, 31009, 93027, 205787, 279081, 617361, 1852083, 2263657, 6790971, 20372913]

約数ペア:

[(1, 20372913), (3, 6790971), (9, 2263657), (11, 1852083), (33, 617361), (73, 279081), (99, 205787), (219, 93027), (657, 31009), (803, 25371), (2409, 8457), (2819, 7227)]