20380797

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 30353024

約数和(自身を除く): 9972227

約数列:

[1, 3, 9, 67, 73, 201, 219, 463, 603, 657, 1389, 4167, 4891, 14673, 31021, 33799, 44019, 93063, 101397, 279189, 304191, 2264533, 6793599, 20380797]

約数ペア:

[(1, 20380797), (3, 6793599), (9, 2264533), (67, 304191), (73, 279189), (201, 101397), (219, 93063), (463, 44019), (603, 33799), (657, 31021), (1389, 14673), (4167, 4891)]