20050273431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 31892814720

約数和(自身を除く): 11842541289

約数列:

[1, 3, 9, 19, 29, 57, 87, 107, 171, 261, 321, 551, 841, 963, 1303, 1653, 2033, 2523, 3103, 3909, 4959, 6099, 7569, 9309, 11727, 15979, 18297, 24757, 27927, 37787, 47937, 58957, 74271, 89987, 113361, 139421, 143811, 176871, 222813, 269961, 340083, 418263, 530613, 717953, 809883, 1095823, 1254789, 1709753, 2153859, 2648999, 3287469, 4043209, 5129259, 6461577, 7946997, 9862407, 12129627, 15387777, 20820637, 23840991, 36388881, 62461911, 76820971, 117253061, 187385733, 230462913, 351759183, 691388739, 1055277549, 2227808159, 6683424477, 20050273431]

約数ペア:

[(1, 20050273431), (3, 6683424477), (9, 2227808159), (19, 1055277549), (29, 691388739), (57, 351759183), (87, 230462913), (107, 187385733), (171, 117253061), (261, 76820971), (321, 62461911), (551, 36388881), (841, 23840991), (963, 20820637), (1303, 15387777), (1653, 12129627), (2033, 9862407), (2523, 7946997), (3103, 6461577), (3909, 5129259), (4959, 4043209), (6099, 3287469), (7569, 2648999), (9309, 2153859), (11727, 1709753), (15979, 1254789), (18297, 1095823), (24757, 809883), (27927, 717953), (37787, 530613), (47937, 418263), (58957, 340083), (74271, 269961), (89987, 222813), (113361, 176871), (139421, 143811)]