20198117529

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:1027

約数の個数: 64

約数和(自身を含む): 31528673280

約数和(自身を除く): 11330555751

約数列:

[1, 3, 9, 23, 27, 69, 207, 257, 271, 467, 621, 771, 813, 1401, 2313, 2439, 4203, 5911, 6233, 6939, 7317, 10741, 12609, 17733, 18699, 32223, 53199, 56097, 69647, 96669, 120019, 126557, 159597, 168291, 208941, 290007, 360057, 379671, 626823, 1080171, 1139013, 1601881, 1880469, 2760437, 2910811, 3240513, 3417039, 4805643, 8281311, 8732433, 14416929, 24843933, 26197299, 32525149, 43250787, 74531799, 78591897, 97575447, 292726341, 748078427, 878179023, 2244235281, 6732705843, 20198117529]

約数ペア:

[(1, 20198117529), (3, 6732705843), (9, 2244235281), (23, 878179023), (27, 748078427), (69, 292726341), (207, 97575447), (257, 78591897), (271, 74531799), (467, 43250787), (621, 32525149), (771, 26197299), (813, 24843933), (1401, 14416929), (2313, 8732433), (2439, 8281311), (4203, 4805643), (5911, 3417039), (6233, 3240513), (6939, 2910811), (7317, 2760437), (10741, 1880469), (12609, 1601881), (17733, 1139013), (18699, 1080171), (32223, 626823), (53199, 379671), (56097, 360057), (69647, 290007), (96669, 208941), (120019, 168291), (126557, 159597)]