20549772

素因数分解:

$2^2\times 3^2\times {\mathrm{570827}}^1$

素因数の和:570837

約数の個数: 18

約数和(自身を含む): 51945348

約数和(自身を除く): 31395576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570827, 1141654, 1712481, 2283308, 3424962, 5137443, 6849924, 10274886, 20549772]

約数ペア:

[(1, 20549772), (2, 10274886), (3, 6849924), (4, 5137443), (6, 3424962), (9, 2283308), (12, 1712481), (18, 1141654), (36, 570827)]