20593251

素因数分解:

$3^3\times 7^1\times {\mathrm{108959}}^1$

素因数の和:108975

約数の個数: 16

約数和(自身を含む): 34867200

約数和(自身を除く): 14273949

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 108959, 326877, 762713, 980631, 2288139, 2941893, 6864417, 20593251]

約数ペア:

[(1, 20593251), (3, 6864417), (7, 2941893), (9, 2288139), (21, 980631), (27, 762713), (63, 326877), (189, 108959)]