20584664

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1069}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 40446000

約数和(自身を除く): 19861336

約数列:

[1, 2, 4, 8, 29, 58, 83, 116, 166, 232, 332, 664, 1069, 2138, 2407, 4276, 4814, 8552, 9628, 19256, 31001, 62002, 88727, 124004, 177454, 248008, 354908, 709816, 2573083, 5146166, 10292332, 20584664]

約数ペア:

[(1, 20584664), (2, 10292332), (4, 5146166), (8, 2573083), (29, 709816), (58, 354908), (83, 248008), (116, 177454), (166, 124004), (232, 88727), (332, 62002), (664, 31001), (1069, 19256), (2138, 9628), (2407, 8552), (4276, 4814)]