20734076

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42839}}^1$

素因数の和:42865

約数の個数: 18

約数和(自身を含む): 39884040

約数和(自身を除く): 19149964

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42839, 85678, 171356, 471229, 942458, 1884916, 5183519, 10367038, 20734076]

約数ペア:

[(1, 20734076), (2, 10367038), (4, 5183519), (11, 1884916), (22, 942458), (44, 471229), (121, 171356), (242, 85678), (484, 42839)]