20947712

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{1741}}^1$

素因数の和:1804

約数の個数: 36

約数和(自身を含む): 42727776

約数和(自身を除く): 21780064

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 752, 1504, 1741, 3008, 3482, 6016, 6964, 12032, 13928, 27856, 55712, 81827, 111424, 163654, 222848, 327308, 445696, 654616, 1309232, 2618464, 5236928, 10473856, 20947712]

約数ペア:

[(1, 20947712), (2, 10473856), (4, 5236928), (8, 2618464), (16, 1309232), (32, 654616), (47, 445696), (64, 327308), (94, 222848), (128, 163654), (188, 111424), (256, 81827), (376, 55712), (752, 27856), (1504, 13928), (1741, 12032), (3008, 6964), (3482, 6016)]