20888921379

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{581071}}^1$

素因数の和:581618

約数の個数: 16

約数和(自身を含む): 29118680064

約数和(自身を除く): 8229758685

約数列:

[1, 3, 23, 69, 521, 1563, 11983, 35949, 581071, 1743213, 13364633, 40093899, 302737991, 908213973, 6962973793, 20888921379]

約数ペア:

[(1, 20888921379), (3, 6962973793), (23, 908213973), (69, 302737991), (521, 40093899), (1563, 13364633), (11983, 1743213), (35949, 581071)]