20525085153

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71039}}^1$

素因数の和:71124

約数の個数: 48

約数和(自身を含む): 32581785600

約数和(自身を除く): 12056700447

約数列:

[1, 3, 9, 27, 29, 41, 81, 87, 123, 243, 261, 369, 783, 1107, 1189, 2349, 3321, 3567, 7047, 9963, 10701, 32103, 71039, 96309, 213117, 288927, 639351, 1918053, 2060131, 2912599, 5754159, 6180393, 8737797, 17262477, 18541179, 26213391, 55623537, 78640173, 84465371, 166870611, 235920519, 253396113, 500611833, 707761557, 760188339, 2280565017, 6841695051, 20525085153]

約数ペア:

[(1, 20525085153), (3, 6841695051), (9, 2280565017), (27, 760188339), (29, 707761557), (41, 500611833), (81, 253396113), (87, 235920519), (123, 166870611), (243, 84465371), (261, 78640173), (369, 55623537), (783, 26213391), (1107, 18541179), (1189, 17262477), (2349, 8737797), (3321, 6180393), (3567, 5754159), (7047, 2912599), (9963, 2060131), (10701, 1918053), (32103, 639351), (71039, 288927), (96309, 213117)]