20540715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105337}}^1$

素因数の和:105358

約数の個数: 16

約数和(自身を含む): 35393568

約数和(自身を除く): 14852853

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 105337, 316011, 526685, 1369381, 1580055, 4108143, 6846905, 20540715]

約数ペア:

[(1, 20540715), (3, 6846905), (5, 4108143), (13, 1580055), (15, 1369381), (39, 526685), (65, 316011), (195, 105337)]