20165508550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{7873}}^1\times {\mathrm{4657}}^1$

素因数の和:12553

約数の個数: 48

約数和(自身を含む): 40931634672

約数和(自身を除く): 20766126122

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 4657, 7873, 9314, 15746, 23285, 39365, 46570, 51227, 78730, 86603, 102454, 116425, 173206, 196825, 232850, 256135, 393650, 433015, 512270, 866030, 1280675, 2165075, 2561350, 4330150, 36664561, 73329122, 183322805, 366645610, 403310171, 806620342, 916614025, 1833228050, 2016550855, 4033101710, 10082754275, 20165508550]

約数ペア:

[(1, 20165508550), (2, 10082754275), (5, 4033101710), (10, 2016550855), (11, 1833228050), (22, 916614025), (25, 806620342), (50, 403310171), (55, 366645610), (110, 183322805), (275, 73329122), (550, 36664561), (4657, 4330150), (7873, 2561350), (9314, 2165075), (15746, 1280675), (23285, 866030), (39365, 512270), (46570, 433015), (51227, 393650), (78730, 256135), (86603, 232850), (102454, 196825), (116425, 173206)]