20887304

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84223}}^1$

素因数の和:84260

約数の個数: 16

約数和(自身を含む): 40427520

約数和(自身を除く): 19540216

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84223, 168446, 336892, 673784, 2610913, 5221826, 10443652, 20887304]

約数ペア:

[(1, 20887304), (2, 10443652), (4, 5221826), (8, 2610913), (31, 673784), (62, 336892), (124, 168446), (248, 84223)]