20303192

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^2$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 47135760

約数和(自身を除く): 26832568

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 167, 182, 334, 364, 668, 728, 1169, 1336, 2171, 2338, 4342, 4676, 8684, 9352, 15197, 17368, 27889, 30394, 55778, 60788, 111556, 121576, 195223, 223112, 362557, 390446, 725114, 780892, 1450228, 1561784, 2537899, 2900456, 5075798, 10151596, 20303192]

約数ペア:

[(1, 20303192), (2, 10151596), (4, 5075798), (7, 2900456), (8, 2537899), (13, 1561784), (14, 1450228), (26, 780892), (28, 725114), (52, 390446), (56, 362557), (91, 223112), (104, 195223), (167, 121576), (182, 111556), (334, 60788), (364, 55778), (668, 30394), (728, 27889), (1169, 17368), (1336, 15197), (2171, 9352), (2338, 8684), (4342, 4676)]