20178097652

素因数分解:

$2^2\times {\mathrm{509}}^1\times {\mathrm{9910657}}^1$

素因数の和:9911170

約数の個数: 12

約数和(自身を含む): 35381049060

約数和(自身を除く): 15202951408

約数列:

[1, 2, 4, 509, 1018, 2036, 9910657, 19821314, 39642628, 5044524413, 10089048826, 20178097652]

約数ペア:

[(1, 20178097652), (2, 10089048826), (4, 5044524413), (509, 39642628), (1018, 19821314), (2036, 9910657)]