2021644816

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{126733}}^1$

素因数の和:127738

約数の個数: 20

約数和(自身を含む): 3920896492

約数和(自身を除く): 1899251676

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 15952, 126733, 253466, 506932, 1013864, 2027728, 126352801, 252705602, 505411204, 1010822408, 2021644816]

約数ペア:

[(1, 2021644816), (2, 1010822408), (4, 505411204), (8, 252705602), (16, 126352801), (997, 2027728), (1994, 1013864), (3988, 506932), (7976, 253466), (15952, 126733)]