20161284032

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{1225759}}^1$

素因数の和:1226028

約数の個数: 28

約数和(自身を含む): 40163252160

約数和(自身を除く): 20001968128

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 2056, 4112, 8224, 16448, 1225759, 2451518, 4903036, 9806072, 19612144, 39224288, 78448576, 315020063, 630040126, 1260080252, 2520160504, 5040321008, 10080642016, 20161284032]

約数ペア:

[(1, 20161284032), (2, 10080642016), (4, 5040321008), (8, 2520160504), (16, 1260080252), (32, 630040126), (64, 315020063), (257, 78448576), (514, 39224288), (1028, 19612144), (2056, 9806072), (4112, 4903036), (8224, 2451518), (16448, 1225759)]