20289055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5209}}^1$

素因数の和:5274

約数の個数: 16

約数和(自身を含む): 26258400

約数和(自身を除く): 5969345

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5209, 26045, 98971, 213569, 494855, 1067845, 4057811, 20289055]

約数ペア:

[(1, 20289055), (5, 4057811), (19, 1067845), (41, 494855), (95, 213569), (205, 98971), (779, 26045), (3895, 5209)]