2047366820

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{159701}}^1$

素因数の和:160351

約数の個数: 24

約数和(自身を含む): 4306204728

約数和(自身を除く): 2258837908

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 159701, 319402, 638804, 798505, 1597010, 3194020, 102368341, 204736682, 409473364, 511841705, 1023683410, 2047366820]

約数ペア:

[(1, 2047366820), (2, 1023683410), (4, 511841705), (5, 409473364), (10, 204736682), (20, 102368341), (641, 3194020), (1282, 1597010), (2564, 798505), (3205, 638804), (6410, 319402), (12820, 159701)]