20084989712

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{86627}}^1$

素因数の和:87015

約数の個数: 40

約数和(自身を含む): 39938280096

約数和(自身を除く): 19853290384

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 337, 344, 674, 688, 1348, 2696, 5392, 14491, 28982, 57964, 86627, 115928, 173254, 231856, 346508, 693016, 1386032, 3724961, 7449922, 14899844, 29193299, 29799688, 58386598, 59599376, 116773196, 233546392, 467092784, 1255311857, 2510623714, 5021247428, 10042494856, 20084989712]

約数ペア:

[(1, 20084989712), (2, 10042494856), (4, 5021247428), (8, 2510623714), (16, 1255311857), (43, 467092784), (86, 233546392), (172, 116773196), (337, 59599376), (344, 58386598), (674, 29799688), (688, 29193299), (1348, 14899844), (2696, 7449922), (5392, 3724961), (14491, 1386032), (28982, 693016), (57964, 346508), (86627, 231856), (115928, 173254)]