20784706

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4909}}^1$

素因数の和:5013

約数の個数: 16

約数和(自身を含む): 32700600

約数和(自身を除く): 11915894

約数列:

[1, 2, 29, 58, 73, 146, 2117, 4234, 4909, 9818, 142361, 284722, 358357, 716714, 10392353, 20784706]

約数ペア:

[(1, 20784706), (2, 10392353), (29, 716714), (58, 358357), (73, 284722), (146, 142361), (2117, 9818), (4234, 4909)]