20218587

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1637}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 8086053

約数列:

[1, 3, 23, 69, 179, 537, 1637, 4117, 4911, 12351, 37651, 112953, 293023, 879069, 6739529, 20218587]

約数ペア:

[(1, 20218587), (3, 6739529), (23, 879069), (69, 293023), (179, 112953), (537, 37651), (1637, 12351), (4117, 4911)]