20147873432

素因数分解:

$2^3\times {\mathrm{4993}}^1\times {\mathrm{504403}}^1$

素因数の和:509402

約数の個数: 16

約数和(自身を含む): 37784903640

約数和(自身を除く): 17637030208

約数列:

[1, 2, 4, 8, 4993, 9986, 19972, 39944, 504403, 1008806, 2017612, 4035224, 2518484179, 5036968358, 10073936716, 20147873432]

約数ペア:

[(1, 20147873432), (2, 10073936716), (4, 5036968358), (8, 2518484179), (4993, 4035224), (9986, 2017612), (19972, 1008806), (39944, 504403)]