20435445

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26713}}^1$

素因数の和:26741

約数の個数: 24

約数和(自身を含む): 37506456

約数和(自身を除く): 17071011

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26713, 80139, 133565, 240417, 400695, 454121, 1202085, 1362363, 2270605, 4087089, 6811815, 20435445]

約数ペア:

[(1, 20435445), (3, 6811815), (5, 4087089), (9, 2270605), (15, 1362363), (17, 1202085), (45, 454121), (51, 400695), (85, 240417), (153, 133565), (255, 80139), (765, 26713)]