20204787239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{87517}}^1$

素因数の和:87639

約数の個数: 32

約数和(自身を含む): 25877322240

約数和(自身を除く): 5672535001

約数列:

[1, 7, 13, 43, 59, 91, 301, 413, 559, 767, 2537, 3913, 5369, 17759, 32981, 87517, 230867, 612619, 1137721, 3763231, 5163503, 7964047, 26342617, 36144521, 48922003, 67125539, 222030629, 342454021, 469878773, 1554214403, 2886398177, 20204787239]

約数ペア:

[(1, 20204787239), (7, 2886398177), (13, 1554214403), (43, 469878773), (59, 342454021), (91, 222030629), (301, 67125539), (413, 48922003), (559, 36144521), (767, 26342617), (2537, 7964047), (3913, 5163503), (5369, 3763231), (17759, 1137721), (32981, 612619), (87517, 230867)]