20146972872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{128377}}^1$

素因数の和:128902

約数の個数: 64

約数和(自身を含む): 54350110080

約数和(自身を除く): 34203137208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 503, 1006, 1509, 2012, 3018, 4024, 6036, 6539, 12072, 13078, 19617, 26156, 39234, 52312, 78468, 128377, 156936, 256754, 385131, 513508, 770262, 1027016, 1540524, 1668901, 3081048, 3337802, 5006703, 6675604, 10013406, 13351208, 20026812, 40053624, 64573631, 129147262, 193720893, 258294524, 387441786, 516589048, 774883572, 839457203, 1549767144, 1678914406, 2518371609, 3357828812, 5036743218, 6715657624, 10073486436, 20146972872]

約数ペア:

[(1, 20146972872), (2, 10073486436), (3, 6715657624), (4, 5036743218), (6, 3357828812), (8, 2518371609), (12, 1678914406), (13, 1549767144), (24, 839457203), (26, 774883572), (39, 516589048), (52, 387441786), (78, 258294524), (104, 193720893), (156, 129147262), (312, 64573631), (503, 40053624), (1006, 20026812), (1509, 13351208), (2012, 10013406), (3018, 6675604), (4024, 5006703), (6036, 3337802), (6539, 3081048), (12072, 1668901), (13078, 1540524), (19617, 1027016), (26156, 770262), (39234, 513508), (52312, 385131), (78468, 256754), (128377, 156936)]