20091255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43207}}^1$

素因数の和:43246

約数の個数: 16

約数和(自身を含む): 33183744

約数和(自身を除く): 13092489

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 43207, 129621, 216035, 648105, 1339417, 4018251, 6697085, 20091255]

約数ペア:

[(1, 20091255), (3, 6697085), (5, 4018251), (15, 1339417), (31, 648105), (93, 216035), (155, 129621), (465, 43207)]