20820111841

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1\times {\mathrm{12203}}^1$

素因数の和:13452

約数の個数: 16

約数和(自身を含む): 21969543168

約数和(自身を除く): 1149431327

約数列:

[1, 31, 47, 1171, 1457, 12203, 36301, 55037, 378293, 573541, 1706147, 14289713, 17779771, 442981103, 671616511, 20820111841]

約数ペア:

[(1, 20820111841), (31, 671616511), (47, 442981103), (1171, 17779771), (1457, 14289713), (12203, 1706147), (36301, 573541), (55037, 378293)]