20887995

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17627}}^1$

素因数の和:17714

約数の個数: 16

約数和(自身を含む): 33845760

約数和(自身を除く): 12957765

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 17627, 52881, 88135, 264405, 1392533, 4177599, 6962665, 20887995]

約数ペア:

[(1, 20887995), (3, 6962665), (5, 4177599), (15, 1392533), (79, 264405), (237, 88135), (395, 52881), (1185, 17627)]