20162382740

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6421141}}^1$

素因数の和:6421307

約数の個数: 24

約数和(自身を含む): 42610698312

約数和(自身を除く): 22448315572

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6421141, 12842282, 25684564, 32105705, 64211410, 128422820, 1008119137, 2016238274, 4032476548, 5040595685, 10081191370, 20162382740]

約数ペア:

[(1, 20162382740), (2, 10081191370), (4, 5040595685), (5, 4032476548), (10, 2016238274), (20, 1008119137), (157, 128422820), (314, 64211410), (628, 32105705), (785, 25684564), (1570, 12842282), (3140, 6421141)]