20443356

素因数分解:

$2^2\times 3^2\times {\mathrm{567871}}^1$

素因数の和:567881

約数の個数: 18

約数和(自身を含む): 51676352

約数和(自身を除く): 31232996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 567871, 1135742, 1703613, 2271484, 3407226, 5110839, 6814452, 10221678, 20443356]

約数ペア:

[(1, 20443356), (2, 10221678), (3, 6814452), (4, 5110839), (6, 3407226), (9, 2271484), (12, 1703613), (18, 1135742), (36, 567871)]