20625687

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2693}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 31940064

約数和(自身を除く): 11314377

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 2693, 7659, 8079, 24237, 61939, 99641, 185817, 298923, 557451, 896769, 2291743, 6875229, 20625687]

約数ペア:

[(1, 20625687), (3, 6875229), (9, 2291743), (23, 896769), (37, 557451), (69, 298923), (111, 185817), (207, 99641), (333, 61939), (851, 24237), (2553, 8079), (2693, 7659)]