20752816

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1459}}^1$

素因数の和:1601

約数の個数: 40

約数和(自身を含む): 46346240

約数和(自身を除く): 25593424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1459, 1778, 2032, 2918, 3556, 5836, 7112, 10213, 11672, 14224, 20426, 23344, 40852, 81704, 163408, 185293, 370586, 741172, 1297051, 1482344, 2594102, 2964688, 5188204, 10376408, 20752816]

約数ペア:

[(1, 20752816), (2, 10376408), (4, 5188204), (7, 2964688), (8, 2594102), (14, 1482344), (16, 1297051), (28, 741172), (56, 370586), (112, 185293), (127, 163408), (254, 81704), (508, 40852), (889, 23344), (1016, 20426), (1459, 14224), (1778, 11672), (2032, 10213), (2918, 7112), (3556, 5836)]