20918223

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10613}}^1$

素因数の和:10695

約数の個数: 16

約数和(自身を含む): 31417440

約数和(自身を除く): 10499217

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10613, 31839, 95517, 286551, 774749, 2324247, 6972741, 20918223]

約数ペア:

[(1, 20918223), (3, 6972741), (9, 2324247), (27, 774749), (73, 286551), (219, 95517), (657, 31839), (1971, 10613)]