20431815

素因数分解:

$3^1\times 5^1\times {\mathrm{593}}^1\times {\mathrm{2297}}^1$

素因数の和:2898

約数の個数: 16

約数和(自身を含む): 32760288

約数和(自身を除く): 12328473

約数列:

[1, 3, 5, 15, 593, 1779, 2297, 2965, 6891, 8895, 11485, 34455, 1362121, 4086363, 6810605, 20431815]

約数ペア:

[(1, 20431815), (3, 6810605), (5, 4086363), (15, 1362121), (593, 34455), (1779, 11485), (2297, 8895), (2965, 6891)]