20303329264

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{415643}}^1$

素因数の和:415765

約数の個数: 40

約数和(自身を含む): 40819565952

約数和(自身を除く): 20516236688

約数列:

[1, 2, 4, 8, 16, 43, 71, 86, 142, 172, 284, 344, 568, 688, 1136, 3053, 6106, 12212, 24424, 48848, 415643, 831286, 1662572, 3325144, 6650288, 17872649, 29510653, 35745298, 59021306, 71490596, 118042612, 142981192, 236085224, 285962384, 472170448, 1268958079, 2537916158, 5075832316, 10151664632, 20303329264]

約数ペア:

[(1, 20303329264), (2, 10151664632), (4, 5075832316), (8, 2537916158), (16, 1268958079), (43, 472170448), (71, 285962384), (86, 236085224), (142, 142981192), (172, 118042612), (284, 71490596), (344, 59021306), (568, 35745298), (688, 29510653), (1136, 17872649), (3053, 6650288), (6106, 3325144), (12212, 1662572), (24424, 831286), (48848, 415643)]