20176425981

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{990643}}^1$

素因数の和:990753

約数の個数: 24

約数和(自身を含む): 30495984896

約数和(自身を除く): 10319558915

約数列:

[1, 3, 9, 31, 73, 93, 219, 279, 657, 2263, 6789, 20367, 990643, 2971929, 8915787, 30709933, 72316939, 92129799, 216950817, 276389397, 650852451, 2241825109, 6725475327, 20176425981]

約数ペア:

[(1, 20176425981), (3, 6725475327), (9, 2241825109), (31, 650852451), (73, 276389397), (93, 216950817), (219, 92129799), (279, 72316939), (657, 30709933), (2263, 8915787), (6789, 2971929), (20367, 990643)]