20458753

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1531}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 24708096

約数和(自身を除く): 4249343

約数列:

[1, 7, 23, 83, 161, 581, 1531, 1909, 10717, 13363, 35213, 127073, 246491, 889511, 2922679, 20458753]

約数ペア:

[(1, 20458753), (7, 2922679), (23, 889511), (83, 246491), (161, 127073), (581, 35213), (1531, 13363), (1909, 10717)]