20787304884

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12462413}}^1$

素因数の和:12462559

約数の個数: 24

約数和(自身を含む): 48852662880

約数和(自身を除く): 28065357996

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12462413, 24924826, 37387239, 49849652, 74774478, 149548956, 1732275407, 3464550814, 5196826221, 6929101628, 10393652442, 20787304884]

約数ペア:

[(1, 20787304884), (2, 10393652442), (3, 6929101628), (4, 5196826221), (6, 3464550814), (12, 1732275407), (139, 149548956), (278, 74774478), (417, 49849652), (556, 37387239), (834, 24924826), (1668, 12462413)]