20119227

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6781}}^1$

素因数の和:6850

約数の個数: 16

約数和(自身を含む): 28647168

約数和(自身を除く): 8527941

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6781, 20343, 155963, 291583, 467889, 874749, 6706409, 20119227]

約数ペア:

[(1, 20119227), (3, 6706409), (23, 874749), (43, 467889), (69, 291583), (129, 155963), (989, 20343), (2967, 6781)]