20129376968

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{881}}^1\times {\mathrm{11113}}^1$

素因数の和:12257

約数の個数: 32

約数和(自身を含む): 37935860760

約数和(自身を除く): 17806483792

約数列:

[1, 2, 4, 8, 257, 514, 881, 1028, 1762, 2056, 3524, 7048, 11113, 22226, 44452, 88904, 226417, 452834, 905668, 1811336, 2856041, 5712082, 9790553, 11424164, 19581106, 22848328, 39162212, 78324424, 2516172121, 5032344242, 10064688484, 20129376968]

約数ペア:

[(1, 20129376968), (2, 10064688484), (4, 5032344242), (8, 2516172121), (257, 78324424), (514, 39162212), (881, 22848328), (1028, 19581106), (1762, 11424164), (2056, 9790553), (3524, 5712082), (7048, 2856041), (11113, 1811336), (22226, 905668), (44452, 452834), (88904, 226417)]