20278996868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16955683}}^1$

素因数の和:16955723

約数の個数: 24

約数和(自身を含む): 39879768768

約数和(自身を除く): 19600771900

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 16955683, 33911366, 67822732, 220423879, 389980709, 440847758, 779961418, 881695516, 1559922836, 5069749217, 10139498434, 20278996868]

約数ペア:

[(1, 20278996868), (2, 10139498434), (4, 5069749217), (13, 1559922836), (23, 881695516), (26, 779961418), (46, 440847758), (52, 389980709), (92, 220423879), (299, 67822732), (598, 33911366), (1196, 16955683)]