20386597

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 26183520

約数和(自身を除く): 5796923

約数列:

[1, 7, 11, 49, 77, 109, 347, 539, 763, 1199, 2429, 3817, 5341, 8393, 17003, 26719, 37823, 58751, 187033, 264761, 416053, 1853327, 2912371, 20386597]

約数ペア:

[(1, 20386597), (7, 2912371), (11, 1853327), (49, 416053), (77, 264761), (109, 187033), (347, 58751), (539, 37823), (763, 26719), (1199, 17003), (2429, 8393), (3817, 5341)]