20164798724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{157277}}^1$

素因数の和:157548

約数の個数: 48

約数和(自身を含む): 42628629120

約数和(自身を除く): 22463830396

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 241, 266, 482, 532, 964, 1687, 3374, 4579, 6748, 9158, 18316, 32053, 64106, 128212, 157277, 314554, 629108, 1100939, 2201878, 2988263, 4403756, 5976526, 11953052, 20917841, 37903757, 41835682, 75807514, 83671364, 151615028, 265326299, 530652598, 720171383, 1061305196, 1440342766, 2880685532, 5041199681, 10082399362, 20164798724]

約数ペア:

[(1, 20164798724), (2, 10082399362), (4, 5041199681), (7, 2880685532), (14, 1440342766), (19, 1061305196), (28, 720171383), (38, 530652598), (76, 265326299), (133, 151615028), (241, 83671364), (266, 75807514), (482, 41835682), (532, 37903757), (964, 20917841), (1687, 11953052), (3374, 5976526), (4579, 4403756), (6748, 2988263), (9158, 2201878), (18316, 1100939), (32053, 629108), (64106, 314554), (128212, 157277)]