20163918208

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{13781}}^1$

素因数の和:13896

約数の個数: 128

約数和(自身を含む): 48583203840

約数和(自身を除く): 28419285632

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 71, 92, 112, 128, 142, 161, 184, 224, 284, 322, 368, 448, 497, 568, 644, 736, 896, 994, 1136, 1288, 1472, 1633, 1988, 2272, 2576, 2944, 3266, 3976, 4544, 5152, 6532, 7952, 9088, 10304, 11431, 13064, 13781, 15904, 20608, 22862, 26128, 27562, 31808, 45724, 52256, 55124, 63616, 91448, 96467, 104512, 110248, 182896, 192934, 209024, 220496, 316963, 365792, 385868, 440992, 633926, 731584, 771736, 881984, 978451, 1267852, 1463168, 1543472, 1763968, 1956902, 2218741, 2535704, 3086944, 3913804, 4437482, 5071408, 6173888, 6849157, 7827608, 8874964, 10142816, 12347776, 13698314, 15655216, 17749928, 20285632, 22504373, 27396628, 31310432, 35499856, 40571264, 45008746, 54793256, 62620864, 70999712, 90017492, 109586512, 125241728, 141999424, 157530611, 180034984, 219173024, 283998848, 315061222, 360069968, 438346048, 630122444, 720139936, 876692096, 1260244888, 1440279872, 2520489776, 2880559744, 5040979552, 10081959104, 20163918208]

約数ペア:

[(1, 20163918208), (2, 10081959104), (4, 5040979552), (7, 2880559744), (8, 2520489776), (14, 1440279872), (16, 1260244888), (23, 876692096), (28, 720139936), (32, 630122444), (46, 438346048), (56, 360069968), (64, 315061222), (71, 283998848), (92, 219173024), (112, 180034984), (128, 157530611), (142, 141999424), (161, 125241728), (184, 109586512), (224, 90017492), (284, 70999712), (322, 62620864), (368, 54793256), (448, 45008746), (497, 40571264), (568, 35499856), (644, 31310432), (736, 27396628), (896, 22504373), (994, 20285632), (1136, 17749928), (1288, 15655216), (1472, 13698314), (1633, 12347776), (1988, 10142816), (2272, 8874964), (2576, 7827608), (2944, 6849157), (3266, 6173888), (3976, 5071408), (4544, 4437482), (5152, 3913804), (6532, 3086944), (7952, 2535704), (9088, 2218741), (10304, 1956902), (11431, 1763968), (13064, 1543472), (13781, 1463168), (15904, 1267852), (20608, 978451), (22862, 881984), (26128, 771736), (27562, 731584), (31808, 633926), (45724, 440992), (52256, 385868), (55124, 365792), (63616, 316963), (91448, 220496), (96467, 209024), (104512, 192934), (110248, 182896)]