20209072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97159}}^1$

素因数の和:97180

約数の個数: 20

約数和(自身を含む): 42167440

約数和(自身を除く): 21958368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97159, 194318, 388636, 777272, 1263067, 1554544, 2526134, 5052268, 10104536, 20209072]

約数ペア:

[(1, 20209072), (2, 10104536), (4, 5052268), (8, 2526134), (13, 1554544), (16, 1263067), (26, 777272), (52, 388636), (104, 194318), (208, 97159)]