20100989997

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{697733}}^1$

素因数の和:697850

約数の個数: 32

約数和(自身を含む): 32821407360

約数和(自身を除く): 12720417363

約数列:

[1, 3, 9, 11, 27, 33, 97, 99, 291, 297, 873, 1067, 2619, 3201, 9603, 28809, 697733, 2093199, 6279597, 7675063, 18838791, 23025189, 67680101, 69075567, 203040303, 207226701, 609120909, 744481111, 1827362727, 2233443333, 6700329999, 20100989997]

約数ペア:

[(1, 20100989997), (3, 6700329999), (9, 2233443333), (11, 1827362727), (27, 744481111), (33, 609120909), (97, 207226701), (99, 203040303), (291, 69075567), (297, 67680101), (873, 23025189), (1067, 18838791), (2619, 7675063), (3201, 6279597), (9603, 2093199), (28809, 697733)]