20729612

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 37373952

約数和(自身を除く): 16644340

約数列:

[1, 2, 4, 43, 86, 172, 191, 382, 631, 764, 1262, 2524, 8213, 16426, 27133, 32852, 54266, 108532, 120521, 241042, 482084, 5182403, 10364806, 20729612]

約数ペア:

[(1, 20729612), (2, 10364806), (4, 5182403), (43, 482084), (86, 241042), (172, 120521), (191, 108532), (382, 54266), (631, 32852), (764, 27133), (1262, 16426), (2524, 8213)]