20507085

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4259}}^1$

素因数の和:4377

約数の個数: 24

約数和(自身を含む): 35886240

約数和(自身を除く): 15379155

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4259, 4815, 12777, 21295, 38331, 63885, 191655, 455713, 1367139, 2278565, 4101417, 6835695, 20507085]

約数ペア:

[(1, 20507085), (3, 6835695), (5, 4101417), (9, 2278565), (15, 1367139), (45, 455713), (107, 191655), (321, 63885), (535, 38331), (963, 21295), (1605, 12777), (4259, 4815)]