20037213

素因数分解:

$3^4\times 7^1\times {\mathrm{35339}}^1$

素因数の和:35358

約数の個数: 20

約数和(自身を含む): 34209120

約数和(自身を除く): 14171907

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35339, 106017, 247373, 318051, 742119, 954153, 2226357, 2862459, 6679071, 20037213]

約数ペア:

[(1, 20037213), (3, 6679071), (7, 2862459), (9, 2226357), (21, 954153), (27, 742119), (63, 318051), (81, 247373), (189, 106017), (567, 35339)]