39920655

素因数分解:

$3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4139}}^1$

素因数の和:4790

約数の個数: 16

約数和(自身を含む): 63987840

約数和(自身を除く): 24067185

約数列:

[1, 3, 5, 15, 643, 1929, 3215, 4139, 9645, 12417, 20695, 62085, 2661377, 7984131, 13306885, 39920655]

約数ペア:

[(1, 39920655), (3, 13306885), (5, 7984131), (15, 2661377), (643, 62085), (1929, 20695), (3215, 12417), (4139, 9645)]