20195311

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 1577489

約数列:

[1, 23, 71, 83, 149, 1633, 1909, 3427, 5893, 10579, 12367, 135539, 243317, 284441, 878057, 20195311]

約数ペア:

[(1, 20195311), (23, 878057), (71, 284441), (83, 243317), (149, 135539), (1633, 12367), (1909, 10579), (3427, 5893)]