20275788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5651}}^1$

素因数の和:5694

約数の個数: 48

約数和(自身を含む): 53174016

約数和(自身を除く): 32898228

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5651, 11302, 16953, 22604, 33906, 67812, 73463, 129973, 146926, 220389, 259946, 293852, 389919, 440778, 519892, 779838, 881556, 1559676, 1689649, 3379298, 5068947, 6758596, 10137894, 20275788]

約数ペア:

[(1, 20275788), (2, 10137894), (3, 6758596), (4, 5068947), (6, 3379298), (12, 1689649), (13, 1559676), (23, 881556), (26, 779838), (39, 519892), (46, 440778), (52, 389919), (69, 293852), (78, 259946), (92, 220389), (138, 146926), (156, 129973), (276, 73463), (299, 67812), (598, 33906), (897, 22604), (1196, 16953), (1794, 11302), (3588, 5651)]