20743888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2741}}^1$

素因数の和:2803

約数の個数: 40

約数和(自身を含む): 44881056

約数和(自身を除く): 24137168

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2741, 3784, 5482, 7568, 10964, 21928, 30151, 43856, 60302, 117863, 120604, 235726, 241208, 471452, 482416, 942904, 1296493, 1885808, 2592986, 5185972, 10371944, 20743888]

約数ペア:

[(1, 20743888), (2, 10371944), (4, 5185972), (8, 2592986), (11, 1885808), (16, 1296493), (22, 942904), (43, 482416), (44, 471452), (86, 241208), (88, 235726), (172, 120604), (176, 117863), (344, 60302), (473, 43856), (688, 30151), (946, 21928), (1892, 10964), (2741, 7568), (3784, 5482)]