20109111

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 30438912

約数和(自身を除く): 10329801

約数列:

[1, 3, 11, 31, 33, 93, 121, 341, 363, 1023, 1787, 3751, 5361, 11253, 19657, 55397, 58971, 166191, 216227, 609367, 648681, 1828101, 6703037, 20109111]

約数ペア:

[(1, 20109111), (3, 6703037), (11, 1828101), (31, 648681), (33, 609367), (93, 216227), (121, 166191), (341, 58971), (363, 55397), (1023, 19657), (1787, 11253), (3751, 5361)]