20196087981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{677471}}^1$

素因数の和:678016

約数の個数: 16

約数和(自身を含む): 28399626240

約数和(自身を除く): 8203538259

約数列:

[1, 3, 19, 57, 523, 1569, 9937, 29811, 677471, 2032413, 12871949, 38615847, 354317333, 1062951999, 6732029327, 20196087981]

約数ペア:

[(1, 20196087981), (3, 6732029327), (19, 1062951999), (57, 354317333), (523, 38615847), (1569, 12871949), (9937, 2032413), (29811, 677471)]