20172857650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1930417}}^1$

素因数の和:1930459

約数の個数: 48

約数和(自身を含む): 43086929760

約数和(自身を除く): 22914072110

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 10450, 1930417, 3860834, 9652085, 19304170, 21234587, 36677923, 42469174, 48260425, 73355846, 96520850, 106172935, 183389615, 212345870, 366779230, 403457153, 530864675, 806914306, 916948075, 1061729350, 1833896150, 2017285765, 4034571530, 10086428825, 20172857650]

約数ペア:

[(1, 20172857650), (2, 10086428825), (5, 4034571530), (10, 2017285765), (11, 1833896150), (19, 1061729350), (22, 916948075), (25, 806914306), (38, 530864675), (50, 403457153), (55, 366779230), (95, 212345870), (110, 183389615), (190, 106172935), (209, 96520850), (275, 73355846), (418, 48260425), (475, 42469174), (550, 36677923), (950, 21234587), (1045, 19304170), (2090, 9652085), (5225, 3860834), (10450, 1930417)]