20755812

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3209}}^1$

素因数の和:3241

約数の個数: 72

約数和(自身を含む): 61477920

約数和(自身を除く): 40722108

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3209, 3234, 6418, 6468, 9627, 12836, 19254, 22463, 35299, 38508, 44926, 67389, 70598, 89852, 105897, 134778, 141196, 157241, 211794, 247093, 269556, 314482, 423588, 471723, 494186, 628964, 741279, 943446, 988372, 1482558, 1729651, 1886892, 2965116, 3459302, 5188953, 6918604, 10377906, 20755812]

約数ペア:

[(1, 20755812), (2, 10377906), (3, 6918604), (4, 5188953), (6, 3459302), (7, 2965116), (11, 1886892), (12, 1729651), (14, 1482558), (21, 988372), (22, 943446), (28, 741279), (33, 628964), (42, 494186), (44, 471723), (49, 423588), (66, 314482), (77, 269556), (84, 247093), (98, 211794), (132, 157241), (147, 141196), (154, 134778), (196, 105897), (231, 89852), (294, 70598), (308, 67389), (462, 44926), (539, 38508), (588, 35299), (924, 22463), (1078, 19254), (1617, 12836), (2156, 9627), (3209, 6468), (3234, 6418)]