20868864

素因数分解:

$2^8\times 3^1\times {\mathrm{29}}^1\times {\mathrm{937}}^1$

素因数の和:985

約数の個数: 72

約数和(自身を含む): 57518160

約数和(自身を除く): 36649296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 256, 348, 384, 464, 696, 768, 928, 937, 1392, 1856, 1874, 2784, 2811, 3712, 3748, 5568, 5622, 7424, 7496, 11136, 11244, 14992, 22272, 22488, 27173, 29984, 44976, 54346, 59968, 81519, 89952, 108692, 119936, 163038, 179904, 217384, 239872, 326076, 359808, 434768, 652152, 719616, 869536, 1304304, 1739072, 2608608, 3478144, 5217216, 6956288, 10434432, 20868864]

約数ペア:

[(1, 20868864), (2, 10434432), (3, 6956288), (4, 5217216), (6, 3478144), (8, 2608608), (12, 1739072), (16, 1304304), (24, 869536), (29, 719616), (32, 652152), (48, 434768), (58, 359808), (64, 326076), (87, 239872), (96, 217384), (116, 179904), (128, 163038), (174, 119936), (192, 108692), (232, 89952), (256, 81519), (348, 59968), (384, 54346), (464, 44976), (696, 29984), (768, 27173), (928, 22488), (937, 22272), (1392, 14992), (1856, 11244), (1874, 11136), (2784, 7496), (2811, 7424), (3712, 5622), (3748, 5568)]