20488039

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 24665472

約数和(自身を除く): 4177433

約数列:

[1, 11, 13, 103, 107, 143, 169, 1133, 1177, 1339, 1391, 1859, 11021, 14729, 15301, 17407, 18083, 121231, 143273, 191477, 198913, 1576003, 1862549, 20488039]

約数ペア:

[(1, 20488039), (11, 1862549), (13, 1576003), (103, 198913), (107, 191477), (143, 143273), (169, 121231), (1133, 18083), (1177, 17407), (1339, 15301), (1391, 14729), (1859, 11021)]