20138094821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 23787160656

約数和(自身を除く): 3649065835

約数列:

[1, 13, 17, 37, 221, 289, 317, 457, 481, 629, 3757, 4121, 5389, 5941, 7769, 8177, 10693, 11729, 16909, 70057, 91613, 100997, 132073, 139009, 144869, 152477, 199393, 219817, 287453, 1190969, 1716949, 1883297, 2462773, 2592109, 3389681, 3736889, 4886701, 5360153, 32016049, 41867141, 44065853, 63527113, 69681989, 91122601, 544272833, 1184593813, 1549084217, 20138094821]

約数ペア:

[(1, 20138094821), (13, 1549084217), (17, 1184593813), (37, 544272833), (221, 91122601), (289, 69681989), (317, 63527113), (457, 44065853), (481, 41867141), (629, 32016049), (3757, 5360153), (4121, 4886701), (5389, 3736889), (5941, 3389681), (7769, 2592109), (8177, 2462773), (10693, 1883297), (11729, 1716949), (16909, 1190969), (70057, 287453), (91613, 219817), (100997, 199393), (132073, 152477), (139009, 144869)]