20848545

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27253}}^1$

素因数の和:27281

約数の個数: 24

約数和(自身を含む): 38264616

約数和(自身を除く): 17416071

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 27253, 81759, 136265, 245277, 408795, 463301, 1226385, 1389903, 2316505, 4169709, 6949515, 20848545]

約数ペア:

[(1, 20848545), (3, 6949515), (5, 4169709), (9, 2316505), (15, 1389903), (17, 1226385), (45, 463301), (51, 408795), (85, 245277), (153, 136265), (255, 81759), (765, 27253)]