20839610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8237}}^1$

素因数の和:8278

約数の個数: 32

約数和(自身を含む): 42705792

約数和(自身を除く): 21866182

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8237, 16474, 41185, 82370, 90607, 181214, 189451, 378902, 453035, 906070, 947255, 1894510, 2083961, 4167922, 10419805, 20839610]

約数ペア:

[(1, 20839610), (2, 10419805), (5, 4167922), (10, 2083961), (11, 1894510), (22, 947255), (23, 906070), (46, 453035), (55, 378902), (110, 189451), (115, 181214), (230, 90607), (253, 82370), (506, 41185), (1265, 16474), (2530, 8237)]