20807204978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3801097}}^1$

素因数の和:3801146

約数の個数: 32

約数和(自身を含む): 39409784064

約数和(自身を除く): 18602579086

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 5474, 3801097, 7602194, 26607679, 53215358, 64618649, 87425231, 129237298, 174850462, 452330543, 611976617, 904661086, 1223953234, 1486228927, 2972457854, 10403602489, 20807204978]

約数ペア:

[(1, 20807204978), (2, 10403602489), (7, 2972457854), (14, 1486228927), (17, 1223953234), (23, 904661086), (34, 611976617), (46, 452330543), (119, 174850462), (161, 129237298), (238, 87425231), (322, 64618649), (391, 53215358), (782, 26607679), (2737, 7602194), (5474, 3801097)]