20695552

素因数分解:

$2^9\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:588

約数の個数: 40

約数和(自身を含む): 41934816

約数和(自身を除く): 21239264

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 487, 512, 664, 974, 1328, 1948, 2656, 3896, 5312, 7792, 10624, 15584, 21248, 31168, 40421, 42496, 62336, 80842, 124672, 161684, 249344, 323368, 646736, 1293472, 2586944, 5173888, 10347776, 20695552]

約数ペア:

[(1, 20695552), (2, 10347776), (4, 5173888), (8, 2586944), (16, 1293472), (32, 646736), (64, 323368), (83, 249344), (128, 161684), (166, 124672), (256, 80842), (332, 62336), (487, 42496), (512, 40421), (664, 31168), (974, 21248), (1328, 15584), (1948, 10624), (2656, 7792), (3896, 5312)]