20172089985

素因数分解:

$3^1\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1279549}}^1$

素因数の和:1280608

約数の個数: 16

約数和(自身を含む): 32306078400

約数和(自身を除く): 12133988415

約数列:

[1, 3, 5, 15, 1051, 3153, 5255, 15765, 1279549, 3838647, 6397745, 19193235, 1344805999, 4034417997, 6724029995, 20172089985]

約数ペア:

[(1, 20172089985), (3, 6724029995), (5, 4034417997), (15, 1344805999), (1051, 19193235), (3153, 6397745), (5255, 3838647), (15765, 1279549)]