20700568

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1181}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 44537760

約数和(自身を除く): 23837192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1181, 1252, 2191, 2362, 2504, 4382, 4724, 8267, 8764, 9448, 16534, 17528, 33068, 66136, 369653, 739306, 1478612, 2587571, 2957224, 5175142, 10350284, 20700568]

約数ペア:

[(1, 20700568), (2, 10350284), (4, 5175142), (7, 2957224), (8, 2587571), (14, 1478612), (28, 739306), (56, 369653), (313, 66136), (626, 33068), (1181, 17528), (1252, 16534), (2191, 9448), (2362, 8764), (2504, 8267), (4382, 4724)]