20441684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6991}}^1$

素因数の和:7055

約数の個数: 24

約数和(自身を含む): 38763648

約数和(自身を除く): 18321964

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 6991, 13982, 27964, 118847, 237694, 300613, 475388, 601226, 1202452, 5110421, 10220842, 20441684]

約数ペア:

[(1, 20441684), (2, 10220842), (4, 5110421), (17, 1202452), (34, 601226), (43, 475388), (68, 300613), (86, 237694), (172, 118847), (731, 27964), (1462, 13982), (2924, 6991)]