20931448

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84401}}^1$

素因数の和:84438

約数の個数: 16

約数和(自身を含む): 40512960

約数和(自身を除く): 19581512

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84401, 168802, 337604, 675208, 2616431, 5232862, 10465724, 20931448]

約数ペア:

[(1, 20931448), (2, 10465724), (4, 5232862), (8, 2616431), (31, 675208), (62, 337604), (124, 168802), (248, 84401)]