20189444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3613}}^1$

素因数の和:3755

約数の個数: 24

約数和(自身を含む): 38857728

約数和(自身を除く): 18668284

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3613, 5588, 7226, 14452, 39743, 79486, 158972, 458851, 917702, 1835404, 5047361, 10094722, 20189444]

約数ペア:

[(1, 20189444), (2, 10094722), (4, 5047361), (11, 1835404), (22, 917702), (44, 458851), (127, 158972), (254, 79486), (508, 39743), (1397, 14452), (2794, 7226), (3613, 5588)]