20921389439

素因数分解:

${\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{14783}}^1$

素因数の和:14959

約数の個数: 24

約数和(自身を含む): 22874987520

約数和(自身を除く): 1953598081

約数列:

[1, 17, 59, 83, 289, 1003, 1411, 4897, 14783, 17051, 23987, 83249, 251311, 872197, 1226989, 1415233, 4272287, 14827349, 20858813, 72392351, 252064933, 354599821, 1230669967, 20921389439]

約数ペア:

[(1, 20921389439), (17, 1230669967), (59, 354599821), (83, 252064933), (289, 72392351), (1003, 20858813), (1411, 14827349), (4897, 4272287), (14783, 1415233), (17051, 1226989), (23987, 872197), (83249, 251311)]