20383872

素因数分解:

$2^7\times 3^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 54753600

約数和(自身を除く): 34369728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 109, 128, 192, 218, 327, 384, 436, 487, 654, 872, 974, 1308, 1461, 1744, 1948, 2616, 2922, 3488, 3896, 5232, 5844, 6976, 7792, 10464, 11688, 13952, 15584, 20928, 23376, 31168, 41856, 46752, 53083, 62336, 93504, 106166, 159249, 187008, 212332, 318498, 424664, 636996, 849328, 1273992, 1698656, 2547984, 3397312, 5095968, 6794624, 10191936, 20383872]

約数ペア:

[(1, 20383872), (2, 10191936), (3, 6794624), (4, 5095968), (6, 3397312), (8, 2547984), (12, 1698656), (16, 1273992), (24, 849328), (32, 636996), (48, 424664), (64, 318498), (96, 212332), (109, 187008), (128, 159249), (192, 106166), (218, 93504), (327, 62336), (384, 53083), (436, 46752), (487, 41856), (654, 31168), (872, 23376), (974, 20928), (1308, 15584), (1461, 13952), (1744, 11688), (1948, 10464), (2616, 7792), (2922, 6976), (3488, 5844), (3896, 5232)]