20251568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66617}}^1$

素因数の和:66644

約数の個数: 20

約数和(自身を含む): 41303160

約数和(自身を除く): 21051592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66617, 133234, 266468, 532936, 1065872, 1265723, 2531446, 5062892, 10125784, 20251568]

約数ペア:

[(1, 20251568), (2, 10125784), (4, 5062892), (8, 2531446), (16, 1265723), (19, 1065872), (38, 532936), (76, 266468), (152, 133234), (304, 66617)]