20881284

素因数分解:

$2^2\times 3^1\times {\mathrm{419}}^1\times {\mathrm{4153}}^1$

素因数の和:4579

約数の個数: 24

約数和(自身を含む): 48851040

約数和(自身を除く): 27969756

約数列:

[1, 2, 3, 4, 6, 12, 419, 838, 1257, 1676, 2514, 4153, 5028, 8306, 12459, 16612, 24918, 49836, 1740107, 3480214, 5220321, 6960428, 10440642, 20881284]

約数ペア:

[(1, 20881284), (2, 10440642), (3, 6960428), (4, 5220321), (6, 3480214), (12, 1740107), (419, 49836), (838, 24918), (1257, 16612), (1676, 12459), (2514, 8306), (4153, 5028)]