20743545

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10889}}^1$

素因数の和:11024

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 12710535

約数列:

[1, 3, 5, 15, 127, 381, 635, 1905, 10889, 32667, 54445, 163335, 1382903, 4148709, 6914515, 20743545]

約数ペア:

[(1, 20743545), (3, 6914515), (5, 4148709), (15, 1382903), (127, 163335), (381, 54445), (635, 32667), (1905, 10889)]