20837089

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3881}}^1$

素因数の和:3960

約数の個数: 16

約数和(自身を含む): 26087040

約数和(自身を除く): 5249951

約数列:

[1, 7, 13, 59, 91, 413, 767, 3881, 5369, 27167, 50453, 228979, 353171, 1602853, 2976727, 20837089]

約数ペア:

[(1, 20837089), (7, 2976727), (13, 1602853), (59, 353171), (91, 228979), (413, 50453), (767, 27167), (3881, 5369)]