20667933

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 16345827

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 53, 99, 101, 117, 143, 159, 297, 303, 351, 429, 477, 583, 689, 909, 1111, 1287, 1313, 1431, 1749, 2067, 2727, 3333, 3861, 3939, 5247, 5353, 6201, 7579, 9999, 11817, 14443, 15741, 16059, 18603, 22737, 29997, 35451, 43329, 48177, 58883, 68211, 69589, 129987, 144531, 176649, 204633, 208767, 389961, 529947, 626301, 765479, 1589841, 1878903, 2296437, 6889311, 20667933]

約数ペア:

[(1, 20667933), (3, 6889311), (9, 2296437), (11, 1878903), (13, 1589841), (27, 765479), (33, 626301), (39, 529947), (53, 389961), (99, 208767), (101, 204633), (117, 176649), (143, 144531), (159, 129987), (297, 69589), (303, 68211), (351, 58883), (429, 48177), (477, 43329), (583, 35451), (689, 29997), (909, 22737), (1111, 18603), (1287, 16059), (1313, 15741), (1431, 14443), (1749, 11817), (2067, 9999), (2727, 7579), (3333, 6201), (3861, 5353), (3939, 5247)]