20476808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 24174712

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 67, 88, 92, 134, 151, 184, 253, 268, 302, 506, 536, 604, 737, 1012, 1208, 1474, 1541, 1661, 2024, 2948, 3082, 3322, 3473, 5896, 6164, 6644, 6946, 10117, 12328, 13288, 13892, 16951, 20234, 27784, 33902, 38203, 40468, 67804, 76406, 80936, 111287, 135608, 152812, 222574, 232691, 305624, 445148, 465382, 890296, 930764, 1861528, 2559601, 5119202, 10238404, 20476808]

約数ペア:

[(1, 20476808), (2, 10238404), (4, 5119202), (8, 2559601), (11, 1861528), (22, 930764), (23, 890296), (44, 465382), (46, 445148), (67, 305624), (88, 232691), (92, 222574), (134, 152812), (151, 135608), (184, 111287), (253, 80936), (268, 76406), (302, 67804), (506, 40468), (536, 38203), (604, 33902), (737, 27784), (1012, 20234), (1208, 16951), (1474, 13892), (1541, 13288), (1661, 12328), (2024, 10117), (2948, 6946), (3082, 6644), (3322, 6164), (3473, 5896)]