20343393

素因数分解:

$3^4\times 7^1\times {\mathrm{35879}}^1$

素因数の和:35898

約数の個数: 20

約数和(自身を含む): 34731840

約数和(自身を除く): 14388447

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35879, 107637, 251153, 322911, 753459, 968733, 2260377, 2906199, 6781131, 20343393]

約数ペア:

[(1, 20343393), (3, 6781131), (7, 2906199), (9, 2260377), (21, 968733), (27, 753459), (63, 322911), (81, 251153), (189, 107637), (567, 35879)]