20873210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109859}}^1$

素因数の和:109885

約数の個数: 16

約数和(自身を含む): 39549600

約数和(自身を除く): 18676390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 109859, 219718, 549295, 1098590, 2087321, 4174642, 10436605, 20873210]

約数ペア:

[(1, 20873210), (2, 10436605), (5, 4174642), (10, 2087321), (19, 1098590), (38, 549295), (95, 219718), (190, 109859)]