20281415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4789}}^1$

素因数の和:4823

約数の個数: 24

約数和(自身を含む): 30579360

約数和(自身を除く): 10297945

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 4789, 23945, 33523, 52679, 167615, 263395, 368753, 579469, 1843765, 2897345, 4056283, 20281415]

約数ペア:

[(1, 20281415), (5, 4056283), (7, 2897345), (11, 1843765), (35, 579469), (55, 368753), (77, 263395), (121, 167615), (385, 52679), (605, 33523), (847, 23945), (4235, 4789)]