20786048631

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{767551}}^1$

素因数の和:767636

約数の個数: 32

約数和(自身を含む): 33158246400

約数和(自身を除く): 12372197769

約数列:

[1, 3, 9, 17, 27, 51, 59, 153, 177, 459, 531, 1003, 1593, 3009, 9027, 27081, 767551, 2302653, 6907959, 13048367, 20723877, 39145101, 45285509, 117435303, 135856527, 352305909, 407569581, 769853653, 1222708743, 2309560959, 6928682877, 20786048631]

約数ペア:

[(1, 20786048631), (3, 6928682877), (9, 2309560959), (17, 1222708743), (27, 769853653), (51, 407569581), (59, 352305909), (153, 135856527), (177, 117435303), (459, 45285509), (531, 39145101), (1003, 20723877), (1593, 13048367), (3009, 6907959), (9027, 2302653), (27081, 767551)]