20868250872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{978077}}^1$

素因数の和:978220

約数の個数: 64

約数和(自身を含む): 60093112320

約数和(自身を除く): 39224861448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 1016, 1524, 1778, 2667, 3048, 3556, 5334, 7112, 10668, 21336, 978077, 1956154, 2934231, 3912308, 5868462, 6846539, 7824616, 11736924, 13693078, 20539617, 23473848, 27386156, 41079234, 54772312, 82158468, 124215779, 164316936, 248431558, 372647337, 496863116, 745294674, 869510453, 993726232, 1490589348, 1739020906, 2608531359, 2981178696, 3478041812, 5217062718, 6956083624, 10434125436, 20868250872]

約数ペア:

[(1, 20868250872), (2, 10434125436), (3, 6956083624), (4, 5217062718), (6, 3478041812), (7, 2981178696), (8, 2608531359), (12, 1739020906), (14, 1490589348), (21, 993726232), (24, 869510453), (28, 745294674), (42, 496863116), (56, 372647337), (84, 248431558), (127, 164316936), (168, 124215779), (254, 82158468), (381, 54772312), (508, 41079234), (762, 27386156), (889, 23473848), (1016, 20539617), (1524, 13693078), (1778, 11736924), (2667, 7824616), (3048, 6846539), (3556, 5868462), (5334, 3912308), (7112, 2934231), (10668, 1956154), (21336, 978077)]