20198087912

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{3299}}^1\times {\mathrm{8599}}^1$

素因数の和:11993

約数の個数: 32

約数和(自身を含む): 38313000000

約数和(自身を除く): 18114912088

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 3299, 6598, 8599, 13196, 17198, 26392, 34396, 68792, 293611, 587222, 765311, 1174444, 1530622, 2348888, 3061244, 6122488, 28368101, 56736202, 113472404, 226944808, 2524760989, 5049521978, 10099043956, 20198087912]

約数ペア:

[(1, 20198087912), (2, 10099043956), (4, 5049521978), (8, 2524760989), (89, 226944808), (178, 113472404), (356, 56736202), (712, 28368101), (3299, 6122488), (6598, 3061244), (8599, 2348888), (13196, 1530622), (17198, 1174444), (26392, 765311), (34396, 587222), (68792, 293611)]