20561871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{1439}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 9436209

約数列:

[1, 3, 11, 33, 433, 1299, 1439, 4317, 4763, 14289, 15829, 47487, 623087, 1869261, 6853957, 20561871]

約数ペア:

[(1, 20561871), (3, 6853957), (11, 1869261), (33, 623087), (433, 47487), (1299, 15829), (1439, 14289), (4317, 4763)]