20139932463

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2237}}^1\times {\mathrm{11587}}^1$

素因数の和:13871

約数の個数: 32

約数和(自身を含む): 31535675904

約数和(自身を除く): 11395743441

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 2237, 6711, 11587, 15659, 34761, 46977, 81109, 82769, 243327, 248307, 428719, 579383, 1286157, 1738149, 3001033, 9003099, 25920119, 77760357, 181440833, 544322499, 959044403, 2877133209, 6713310821, 20139932463]

約数ペア:

[(1, 20139932463), (3, 6713310821), (7, 2877133209), (21, 959044403), (37, 544322499), (111, 181440833), (259, 77760357), (777, 25920119), (2237, 9003099), (6711, 3001033), (11587, 1738149), (15659, 1286157), (34761, 579383), (46977, 428719), (81109, 248307), (82769, 243327)]