20120221173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{13469}}^1\times {\mathrm{38303}}^1$

素因数の和:51788

約数の個数: 16

約数和(自身を含む): 28893473280

約数和(自身を除く): 8773252107

約数列:

[1, 3, 13, 39, 13469, 38303, 40407, 114909, 175097, 497939, 525291, 1493817, 515903107, 1547709321, 6706740391, 20120221173]

約数ペア:

[(1, 20120221173), (3, 6706740391), (13, 1547709321), (39, 515903107), (13469, 1493817), (38303, 525291), (40407, 497939), (114909, 175097)]