20081787

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16447}}^1$

素因数の和:16498

約数の個数: 16

約数和(自身を含む): 30001152

約数和(自身を除く): 9919365

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16447, 49341, 180917, 542751, 608539, 1825617, 6693929, 20081787]

約数ペア:

[(1, 20081787), (3, 6693929), (11, 1825617), (33, 608539), (37, 542751), (111, 180917), (407, 49341), (1221, 16447)]