20952845

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 4993075

約数列:

[1, 5, 41, 179, 205, 571, 895, 2855, 7339, 23411, 36695, 102209, 117055, 511045, 4190569, 20952845]

約数ペア:

[(1, 20952845), (5, 4190569), (41, 511045), (179, 117055), (205, 102209), (571, 36695), (895, 23411), (2855, 7339)]