20623784

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 19189336

約数列:

[1, 2, 4, 8, 53, 106, 127, 212, 254, 383, 424, 508, 766, 1016, 1532, 3064, 6731, 13462, 20299, 26924, 40598, 48641, 53848, 81196, 97282, 162392, 194564, 389128, 2577973, 5155946, 10311892, 20623784]

約数ペア:

[(1, 20623784), (2, 10311892), (4, 5155946), (8, 2577973), (53, 389128), (106, 194564), (127, 162392), (212, 97282), (254, 81196), (383, 53848), (424, 48641), (508, 40598), (766, 26924), (1016, 20299), (1532, 13462), (3064, 6731)]