20161496816

素因数分解:

$2^4\times {\mathrm{4973}}^1\times {\mathrm{253387}}^1$

素因数の和:258368

約数の個数: 20

約数和(自身を含む): 39070909272

約数和(自身を除く): 18909412456

約数列:

[1, 2, 4, 8, 16, 4973, 9946, 19892, 39784, 79568, 253387, 506774, 1013548, 2027096, 4054192, 1260093551, 2520187102, 5040374204, 10080748408, 20161496816]

約数ペア:

[(1, 20161496816), (2, 10080748408), (4, 5040374204), (8, 2520187102), (16, 1260093551), (4973, 4054192), (9946, 2027096), (19892, 1013548), (39784, 506774), (79568, 253387)]