20020856

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2053}}^1$

素因数の和:2135

約数の個数: 32

約数和(自身を含む): 39929760

約数和(自身を除く): 19908904

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 1219, 2053, 2438, 4106, 4876, 8212, 9752, 16424, 47219, 94438, 108809, 188876, 217618, 377752, 435236, 870472, 2502607, 5005214, 10010428, 20020856]

約数ペア:

[(1, 20020856), (2, 10010428), (4, 5005214), (8, 2502607), (23, 870472), (46, 435236), (53, 377752), (92, 217618), (106, 188876), (184, 108809), (212, 94438), (424, 47219), (1219, 16424), (2053, 9752), (2438, 8212), (4106, 4876)]