20518873088

素因数分解:

$2^{11}\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1471}}^1$

素因数の和:1646

約数の個数: 144

約数和(自身を含む): 48102163200

約数和(自身を除く): 27583290112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 139, 196, 224, 256, 278, 392, 448, 512, 556, 784, 896, 973, 1024, 1112, 1471, 1568, 1792, 1946, 2048, 2224, 2942, 3136, 3584, 3892, 4448, 5884, 6272, 6811, 7168, 7784, 8896, 10297, 11768, 12544, 13622, 14336, 15568, 17792, 20594, 23536, 25088, 27244, 31136, 35584, 41188, 47072, 50176, 54488, 62272, 71168, 72079, 82376, 94144, 100352, 108976, 124544, 142336, 144158, 164752, 188288, 204469, 217952, 249088, 284672, 288316, 329504, 376576, 408938, 435904, 498176, 576632, 659008, 753152, 817876, 871808, 996352, 1153264, 1318016, 1431283, 1506304, 1635752, 1743616, 1992704, 2306528, 2636032, 2862566, 3012608, 3271504, 3487232, 4613056, 5272064, 5725132, 6543008, 6974464, 9226112, 10018981, 10544128, 11450264, 13086016, 13948928, 18452224, 20037962, 21088256, 22900528, 26172032, 36904448, 40075924, 45801056, 52344064, 73808896, 80151848, 91602112, 104688128, 147617792, 160303696, 183204224, 209376256, 320607392, 366408448, 418752512, 641214784, 732816896, 1282429568, 1465633792, 2564859136, 2931267584, 5129718272, 10259436544, 20518873088]

約数ペア:

[(1, 20518873088), (2, 10259436544), (4, 5129718272), (7, 2931267584), (8, 2564859136), (14, 1465633792), (16, 1282429568), (28, 732816896), (32, 641214784), (49, 418752512), (56, 366408448), (64, 320607392), (98, 209376256), (112, 183204224), (128, 160303696), (139, 147617792), (196, 104688128), (224, 91602112), (256, 80151848), (278, 73808896), (392, 52344064), (448, 45801056), (512, 40075924), (556, 36904448), (784, 26172032), (896, 22900528), (973, 21088256), (1024, 20037962), (1112, 18452224), (1471, 13948928), (1568, 13086016), (1792, 11450264), (1946, 10544128), (2048, 10018981), (2224, 9226112), (2942, 6974464), (3136, 6543008), (3584, 5725132), (3892, 5272064), (4448, 4613056), (5884, 3487232), (6272, 3271504), (6811, 3012608), (7168, 2862566), (7784, 2636032), (8896, 2306528), (10297, 1992704), (11768, 1743616), (12544, 1635752), (13622, 1506304), (14336, 1431283), (15568, 1318016), (17792, 1153264), (20594, 996352), (23536, 871808), (25088, 817876), (27244, 753152), (31136, 659008), (35584, 576632), (41188, 498176), (47072, 435904), (50176, 408938), (54488, 376576), (62272, 329504), (71168, 288316), (72079, 284672), (82376, 249088), (94144, 217952), (100352, 204469), (108976, 188288), (124544, 164752), (142336, 144158)]