20065821

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6763}}^1$

素因数の和:6832

約数の個数: 16

約数和(自身を含む): 28571136

約数和(自身を除く): 8505315

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6763, 20289, 155549, 290809, 466647, 872427, 6688607, 20065821]

約数ペア:

[(1, 20065821), (3, 6688607), (23, 872427), (43, 466647), (69, 290809), (129, 155549), (989, 20289), (2967, 6763)]