20121714305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1\times {\mathrm{1901}}^1$

素因数の和:3390

約数の個数: 64

約数和(自身を含む): 31727185920

約数和(自身を除く): 11605471615

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1447, 1463, 1901, 7235, 7315, 9505, 10129, 13307, 15917, 20911, 27493, 36119, 50645, 66535, 79585, 104555, 111419, 137465, 146377, 180595, 192451, 252833, 302423, 397309, 557095, 731885, 962255, 1264165, 1512115, 1986545, 2116961, 2750747, 2781163, 10584805, 13753735, 13905815, 19255229, 30258217, 52264193, 96276145, 151291085, 211807519, 261320965, 365849351, 574906123, 1059037595, 1829246755, 2874530615, 4024342861, 20121714305]

約数ペア:

[(1, 20121714305), (5, 4024342861), (7, 2874530615), (11, 1829246755), (19, 1059037595), (35, 574906123), (55, 365849351), (77, 261320965), (95, 211807519), (133, 151291085), (209, 96276145), (385, 52264193), (665, 30258217), (1045, 19255229), (1447, 13905815), (1463, 13753735), (1901, 10584805), (7235, 2781163), (7315, 2750747), (9505, 2116961), (10129, 1986545), (13307, 1512115), (15917, 1264165), (20911, 962255), (27493, 731885), (36119, 557095), (50645, 397309), (66535, 302423), (79585, 252833), (104555, 192451), (111419, 180595), (137465, 146377)]