20749498

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2011}}^1$

素因数の和:2098

約数の個数: 32

約数和(自身を含む): 39403008

約数和(自身を除く): 18653510

約数列:

[1, 2, 7, 11, 14, 22, 67, 77, 134, 154, 469, 737, 938, 1474, 2011, 4022, 5159, 10318, 14077, 22121, 28154, 44242, 134737, 154847, 269474, 309694, 943159, 1482107, 1886318, 2964214, 10374749, 20749498]

約数ペア:

[(1, 20749498), (2, 10374749), (7, 2964214), (11, 1886318), (14, 1482107), (22, 943159), (67, 309694), (77, 269474), (134, 154847), (154, 134737), (469, 44242), (737, 28154), (938, 22121), (1474, 14077), (2011, 10318), (4022, 5159)]