20509973

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1637}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 24058944

約数和(自身を除く): 3548971

約数列:

[1, 11, 17, 67, 187, 737, 1139, 1637, 12529, 18007, 27829, 109679, 306119, 1206469, 1864543, 20509973]

約数ペア:

[(1, 20509973), (11, 1864543), (17, 1206469), (67, 306119), (187, 109679), (737, 27829), (1139, 18007), (1637, 12529)]