20951315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54419}}^1$

素因数の和:54442

約数の個数: 16

約数和(自身を含む): 31345920

約数和(自身を除く): 10394605

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 54419, 272095, 380933, 598609, 1904665, 2993045, 4190263, 20951315]

約数ペア:

[(1, 20951315), (5, 4190263), (7, 2993045), (11, 1904665), (35, 598609), (55, 380933), (77, 272095), (385, 54419)]