20917055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3371}}^1$

素因数の和:3466

約数の個数: 16

約数和(自身を含む): 26949024

約数和(自身を除く): 6031969

約数列:

[1, 5, 17, 73, 85, 365, 1241, 3371, 6205, 16855, 57307, 246083, 286535, 1230415, 4183411, 20917055]

約数ペア:

[(1, 20917055), (5, 4183411), (17, 1230415), (73, 286535), (85, 246083), (365, 57307), (1241, 16855), (3371, 6205)]