20382392

素因数分解:

$2^3\times {\mathrm{491}}^1\times {\mathrm{5189}}^1$

素因数の和:5686

約数の個数: 16

約数和(自身を含む): 38302200

約数和(自身を除く): 17919808

約数列:

[1, 2, 4, 8, 491, 982, 1964, 3928, 5189, 10378, 20756, 41512, 2547799, 5095598, 10191196, 20382392]

約数ペア:

[(1, 20382392), (2, 10191196), (4, 5095598), (8, 2547799), (491, 41512), (982, 20756), (1964, 10378), (3928, 5189)]