20145004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1297}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 38597328

約数和(自身を除く): 18452324

約数列:

[1, 2, 4, 11, 22, 44, 353, 706, 1297, 1412, 2594, 3883, 5188, 7766, 14267, 15532, 28534, 57068, 457841, 915682, 1831364, 5036251, 10072502, 20145004]

約数ペア:

[(1, 20145004), (2, 10072502), (4, 5036251), (11, 1831364), (22, 915682), (44, 457841), (353, 57068), (706, 28534), (1297, 15532), (1412, 14267), (2594, 7766), (3883, 5188)]