20937016

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25409}}^1$

素因数の和:25518

約数の個数: 16

約数和(自身を含む): 39639600

約数和(自身を除く): 18702584

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25409, 50818, 101636, 203272, 2617127, 5234254, 10468508, 20937016]

約数ペア:

[(1, 20937016), (2, 10468508), (4, 5234254), (8, 2617127), (103, 203272), (206, 101636), (412, 50818), (824, 25409)]