20017365891

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{649261}}^1$

素因数の和:649546

約数の個数: 16

約数和(自身を含む): 27424826880

約数和(自身を除く): 7407460989

約数列:

[1, 3, 43, 129, 239, 717, 10277, 30831, 649261, 1947783, 27918223, 83754669, 155173379, 465520137, 6672455297, 20017365891]

約数ペア:

[(1, 20017365891), (3, 6672455297), (43, 465520137), (129, 155173379), (239, 83754669), (717, 27918223), (10277, 1947783), (30831, 649261)]