20790157572

素因数分解:

$2^2\times 3^5\times {\mathrm{53}}^1\times {\mathrm{403567}}^1$

素因数の和:403639

約数の個数: 72

約数和(自身を含む): 55527728256

約数和(自身を除く): 34737570684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 243, 318, 324, 477, 486, 636, 954, 972, 1431, 1908, 2862, 4293, 5724, 8586, 12879, 17172, 25758, 51516, 403567, 807134, 1210701, 1614268, 2421402, 3632103, 4842804, 7264206, 10896309, 14528412, 21389051, 21792618, 32688927, 42778102, 43585236, 64167153, 65377854, 85556204, 98066781, 128334306, 130755708, 192501459, 196133562, 256668612, 385002918, 392267124, 577504377, 770005836, 1155008754, 1732513131, 2310017508, 3465026262, 5197539393, 6930052524, 10395078786, 20790157572]

約数ペア:

[(1, 20790157572), (2, 10395078786), (3, 6930052524), (4, 5197539393), (6, 3465026262), (9, 2310017508), (12, 1732513131), (18, 1155008754), (27, 770005836), (36, 577504377), (53, 392267124), (54, 385002918), (81, 256668612), (106, 196133562), (108, 192501459), (159, 130755708), (162, 128334306), (212, 98066781), (243, 85556204), (318, 65377854), (324, 64167153), (477, 43585236), (486, 42778102), (636, 32688927), (954, 21792618), (972, 21389051), (1431, 14528412), (1908, 10896309), (2862, 7264206), (4293, 4842804), (5724, 3632103), (8586, 2421402), (12879, 1614268), (17172, 1210701), (25758, 807134), (51516, 403567)]