20565584157

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{15619}}^1$

素因数の和:15897

約数の個数: 32

約数和(自身を含む): 28700812800

約数和(自身を除く): 8135228643

約数列:

[1, 3, 43, 59, 129, 173, 177, 519, 2537, 7439, 7611, 10207, 15619, 22317, 30621, 46857, 438901, 671617, 921521, 1316703, 2014851, 2702087, 2764563, 8106261, 39625403, 116189741, 118876209, 159423133, 348569223, 478269399, 6855194719, 20565584157]

約数ペア:

[(1, 20565584157), (3, 6855194719), (43, 478269399), (59, 348569223), (129, 159423133), (173, 118876209), (177, 116189741), (519, 39625403), (2537, 8106261), (7439, 2764563), (7611, 2702087), (10207, 2014851), (15619, 1316703), (22317, 921521), (30621, 671617), (46857, 438901)]