20528013610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1\times {\mathrm{1187}}^1$

素因数の和:2239

約数の個数: 64

約数和(自身を含む): 40135544064

約数和(自身を除く): 19607530454

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 881, 1187, 1510, 1762, 1963, 2374, 3926, 4405, 5935, 8810, 9815, 11453, 11870, 15431, 19630, 22906, 30862, 57265, 77155, 114530, 133031, 154310, 179237, 266062, 358474, 665155, 896185, 1045747, 1330310, 1729403, 1792370, 2091494, 2330081, 3458806, 4660162, 5228735, 8647015, 10457470, 11650405, 13594711, 17294030, 23300810, 27189422, 67973555, 135947110, 157907797, 315815594, 789538985, 1579077970, 2052801361, 4105602722, 10264006805, 20528013610]

約数ペア:

[(1, 20528013610), (2, 10264006805), (5, 4105602722), (10, 2052801361), (13, 1579077970), (26, 789538985), (65, 315815594), (130, 157907797), (151, 135947110), (302, 67973555), (755, 27189422), (881, 23300810), (1187, 17294030), (1510, 13594711), (1762, 11650405), (1963, 10457470), (2374, 8647015), (3926, 5228735), (4405, 4660162), (5935, 3458806), (8810, 2330081), (9815, 2091494), (11453, 1792370), (11870, 1729403), (15431, 1330310), (19630, 1045747), (22906, 896185), (30862, 665155), (57265, 358474), (77155, 266062), (114530, 179237), (133031, 154310)]