20228292

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{991}}^1$

素因数の和:1020

約数の個数: 84

約数和(自身を含む): 60718336

約数和(自身を除く): 40490044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 991, 1134, 1458, 1701, 1982, 2268, 2916, 2973, 3402, 3964, 5103, 5946, 6804, 6937, 8919, 10206, 11892, 13874, 17838, 20412, 20811, 26757, 27748, 35676, 41622, 53514, 62433, 80271, 83244, 107028, 124866, 160542, 187299, 240813, 249732, 321084, 374598, 481626, 561897, 722439, 749196, 963252, 1123794, 1444878, 1685691, 2247588, 2889756, 3371382, 5057073, 6742764, 10114146, 20228292]

約数ペア:

[(1, 20228292), (2, 10114146), (3, 6742764), (4, 5057073), (6, 3371382), (7, 2889756), (9, 2247588), (12, 1685691), (14, 1444878), (18, 1123794), (21, 963252), (27, 749196), (28, 722439), (36, 561897), (42, 481626), (54, 374598), (63, 321084), (81, 249732), (84, 240813), (108, 187299), (126, 160542), (162, 124866), (189, 107028), (243, 83244), (252, 80271), (324, 62433), (378, 53514), (486, 41622), (567, 35676), (729, 27748), (756, 26757), (972, 20811), (991, 20412), (1134, 17838), (1458, 13874), (1701, 11892), (1982, 10206), (2268, 8919), (2916, 6937), (2973, 6804), (3402, 5946), (3964, 5103)]