20156883309

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{394931}}^1$

素因数の和:395097

約数の個数: 24

約数和(自身を含む): 29942164512

約数和(自身を除く): 9785281203

約数列:

[1, 3, 9, 53, 107, 159, 321, 477, 963, 5671, 17013, 51039, 394931, 1184793, 3554379, 20931343, 42257617, 62794029, 126772851, 188382087, 380318553, 2239653701, 6718961103, 20156883309]

約数ペア:

[(1, 20156883309), (3, 6718961103), (9, 2239653701), (53, 380318553), (107, 188382087), (159, 126772851), (321, 62794029), (477, 42257617), (963, 20931343), (5671, 3554379), (17013, 1184793), (51039, 394931)]