20444967

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1459}}^1$

素因数の和:1644

約数の個数: 20

約数和(自身を含む): 30738840

約数和(自身を除く): 10293873

約数列:

[1, 3, 9, 27, 81, 173, 519, 1459, 1557, 4377, 4671, 13131, 14013, 39393, 118179, 252407, 757221, 2271663, 6814989, 20444967]

約数ペア:

[(1, 20444967), (3, 6814989), (9, 2271663), (27, 757221), (81, 252407), (173, 118179), (519, 39393), (1459, 14013), (1557, 13131), (4377, 4671)]