20512689

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{653}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 28231872

約数和(自身を除く): 7719183

約数列:

[1, 3, 37, 111, 283, 653, 849, 1959, 10471, 24161, 31413, 72483, 184799, 554397, 6837563, 20512689]

約数ペア:

[(1, 20512689), (3, 6837563), (37, 554397), (111, 184799), (283, 72483), (653, 31413), (849, 24161), (1959, 10471)]