20077288

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2963}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 47305440

約数和(自身を除く): 27228152

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 2963, 3388, 5926, 6776, 11852, 20741, 23704, 32593, 41482, 65186, 82964, 130372, 165928, 228151, 260744, 358523, 456302, 717046, 912604, 1434092, 1825208, 2509661, 2868184, 5019322, 10038644, 20077288]

約数ペア:

[(1, 20077288), (2, 10038644), (4, 5019322), (7, 2868184), (8, 2509661), (11, 1825208), (14, 1434092), (22, 912604), (28, 717046), (44, 456302), (56, 358523), (77, 260744), (88, 228151), (121, 165928), (154, 130372), (242, 82964), (308, 65186), (484, 41482), (616, 32593), (847, 23704), (968, 20741), (1694, 11852), (2963, 6776), (3388, 5926)]