20757572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4409}}^1$

素因数の和:4531

約数の個数: 24

約数和(自身を含む): 40007520

約数和(自身を除く): 19249948

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4409, 4708, 8818, 17636, 48499, 96998, 193996, 471763, 943526, 1887052, 5189393, 10378786, 20757572]

約数ペア:

[(1, 20757572), (2, 10378786), (4, 5189393), (11, 1887052), (22, 943526), (44, 471763), (107, 193996), (214, 96998), (428, 48499), (1177, 17636), (2354, 8818), (4409, 4708)]