20340393

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6733}}^1$

素因数の和:6808

約数の個数: 16

約数和(自身を含む): 29090880

約数和(自身を除く): 8750487

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6733, 20199, 127927, 356849, 383781, 1070547, 6780131, 20340393]

約数ペア:

[(1, 20340393), (3, 6780131), (19, 1070547), (53, 383781), (57, 356849), (159, 127927), (1007, 20199), (3021, 6733)]