16688020

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2237}}^1$

素因数の和:2619

約数の個数: 24

約数和(自身を含む): 35154504

約数和(自身を除く): 18466484

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2237, 3730, 4474, 7460, 8948, 11185, 22370, 44740, 834401, 1668802, 3337604, 4172005, 8344010, 16688020]

約数ペア:

[(1, 16688020), (2, 8344010), (4, 4172005), (5, 3337604), (10, 1668802), (20, 834401), (373, 44740), (746, 22370), (1492, 11185), (1865, 8948), (2237, 7460), (3730, 4474)]