20164293457

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1968977}}^1$

素因数の和:1969021

約数の個数: 24

約数和(自身を含む): 26935619040

約数和(自身を除く): 6771325583

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 10241, 1968977, 13782839, 21658747, 37410563, 96479873, 151611229, 261873941, 411516193, 1061278603, 1833117587, 2880613351, 20164293457]

約数ペア:

[(1, 20164293457), (7, 2880613351), (11, 1833117587), (19, 1061278603), (49, 411516193), (77, 261873941), (133, 151611229), (209, 96479873), (539, 37410563), (931, 21658747), (1463, 13782839), (10241, 1968977)]