20153493

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{60521}}^1$

素因数の和:60564

約数の個数: 12

約数和(自身を含む): 29897868

約数和(自身を除く): 9744375

約数列:

[1, 3, 9, 37, 111, 333, 60521, 181563, 544689, 2239277, 6717831, 20153493]

約数ペア:

[(1, 20153493), (3, 6717831), (9, 2239277), (37, 544689), (111, 181563), (333, 60521)]