20254815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64301}}^1$

素因数の和:64319

約数の個数: 24

約数和(自身を含む): 40124448

約数和(自身を除く): 19869633

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64301, 192903, 321505, 450107, 578709, 964515, 1350321, 2250535, 2893545, 4050963, 6751605, 20254815]

約数ペア:

[(1, 20254815), (3, 6751605), (5, 4050963), (7, 2893545), (9, 2250535), (15, 1350321), (21, 964515), (35, 578709), (45, 450107), (63, 321505), (105, 192903), (315, 64301)]