20555229

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{1237}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 28523520

約数和(自身を除く): 7968291

約数列:

[1, 3, 29, 87, 191, 573, 1237, 3711, 5539, 16617, 35873, 107619, 236267, 708801, 6851743, 20555229]

約数ペア:

[(1, 20555229), (3, 6851743), (29, 708801), (87, 236267), (191, 107619), (573, 35873), (1237, 16617), (3711, 5539)]