20236281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1307}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 29152704

約数和(自身を除く): 8916423

約数列:

[1, 3, 13, 39, 397, 1191, 1307, 3921, 5161, 15483, 16991, 50973, 518879, 1556637, 6745427, 20236281]

約数ペア:

[(1, 20236281), (3, 6745427), (13, 1556637), (39, 518879), (397, 50973), (1191, 16991), (1307, 15483), (3921, 5161)]