20485784

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21163}}^1$

素因数の和:21191

約数の個数: 24

約数和(自身を含む): 42222180

約数和(自身を除く): 21736396

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21163, 42326, 84652, 169304, 232793, 465586, 931172, 1862344, 2560723, 5121446, 10242892, 20485784]

約数ペア:

[(1, 20485784), (2, 10242892), (4, 5121446), (8, 2560723), (11, 1862344), (22, 931172), (44, 465586), (88, 232793), (121, 169304), (242, 84652), (484, 42326), (968, 21163)]