20641569291

素因数分解:

$3^2\times 7^1\times {\mathrm{1723}}^1\times {\mathrm{190159}}^1$

素因数の和:191895

約数の個数: 24

約数和(自身を含む): 34094927360

約数和(自身を除く): 13453358069

約数列:

[1, 3, 7, 9, 21, 63, 1723, 5169, 12061, 15507, 36183, 108549, 190159, 570477, 1331113, 1711431, 3993339, 11980017, 327643957, 982931871, 2293507699, 2948795613, 6880523097, 20641569291]

約数ペア:

[(1, 20641569291), (3, 6880523097), (7, 2948795613), (9, 2293507699), (21, 982931871), (63, 327643957), (1723, 11980017), (5169, 3993339), (12061, 1711431), (15507, 1331113), (36183, 570477), (108549, 190159)]