20803479990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{106537}}^1$

素因数の和:106853

約数の個数: 64

約数和(自身を含む): 52283736576

約数和(自身を除く): 31480256586

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 283, 345, 566, 690, 849, 1415, 1698, 2830, 4245, 6509, 8490, 13018, 19527, 32545, 39054, 65090, 97635, 106537, 195270, 213074, 319611, 532685, 639222, 1065370, 1598055, 2450351, 3196110, 4900702, 7351053, 12251755, 14702106, 24503510, 30149971, 36755265, 60299942, 73510530, 90449913, 150749855, 180899826, 301499710, 452249565, 693449333, 904499130, 1386898666, 2080347999, 3467246665, 4160695998, 6934493330, 10401739995, 20803479990]

約数ペア:

[(1, 20803479990), (2, 10401739995), (3, 6934493330), (5, 4160695998), (6, 3467246665), (10, 2080347999), (15, 1386898666), (23, 904499130), (30, 693449333), (46, 452249565), (69, 301499710), (115, 180899826), (138, 150749855), (230, 90449913), (283, 73510530), (345, 60299942), (566, 36755265), (690, 30149971), (849, 24503510), (1415, 14702106), (1698, 12251755), (2830, 7351053), (4245, 4900702), (6509, 3196110), (8490, 2450351), (13018, 1598055), (19527, 1065370), (32545, 639222), (39054, 532685), (65090, 319611), (97635, 213074), (106537, 195270)]