20995335

素因数分解:

$3^3\times 5^1\times {\mathrm{155521}}^1$

素因数の和:155535

約数の個数: 16

約数和(自身を含む): 37325280

約数和(自身を除く): 16329945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 155521, 466563, 777605, 1399689, 2332815, 4199067, 6998445, 20995335]

約数ペア:

[(1, 20995335), (3, 6998445), (5, 4199067), (9, 2332815), (15, 1399689), (27, 777605), (45, 466563), (135, 155521)]