20129883956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{195413}}^1$

素因数の和:195720

約数の個数: 48

約数和(自身を含む): 43510099584

約数和(自身を除く): 23380215628

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 283, 364, 566, 1132, 1981, 3679, 3962, 7358, 7924, 14716, 25753, 51506, 103012, 195413, 390826, 781652, 1367891, 2540369, 2735782, 5080738, 5471564, 10161476, 17782583, 35565166, 55301879, 71130332, 110603758, 221207516, 387113153, 718924427, 774226306, 1437848854, 1548452612, 2875697708, 5032470989, 10064941978, 20129883956]

約数ペア:

[(1, 20129883956), (2, 10064941978), (4, 5032470989), (7, 2875697708), (13, 1548452612), (14, 1437848854), (26, 774226306), (28, 718924427), (52, 387113153), (91, 221207516), (182, 110603758), (283, 71130332), (364, 55301879), (566, 35565166), (1132, 17782583), (1981, 10161476), (3679, 5471564), (3962, 5080738), (7358, 2735782), (7924, 2540369), (14716, 1367891), (25753, 781652), (51506, 390826), (103012, 195413)]