20979774

素因数分解:

$2^1\times 3^2\times {\mathrm{199}}^1\times {\mathrm{5857}}^1$

素因数の和:6064

約数の個数: 24

約数和(自身を含む): 45692400

約数和(自身を除く): 24712626

約数列:

[1, 2, 3, 6, 9, 18, 199, 398, 597, 1194, 1791, 3582, 5857, 11714, 17571, 35142, 52713, 105426, 1165543, 2331086, 3496629, 6993258, 10489887, 20979774]

約数ペア:

[(1, 20979774), (2, 10489887), (3, 6993258), (6, 3496629), (9, 2331086), (18, 1165543), (199, 105426), (398, 52713), (597, 35142), (1194, 17571), (1791, 11714), (3582, 5857)]