20021650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 41381280

約数和(自身を除く): 21359630

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 110, 118, 275, 295, 550, 590, 617, 649, 1234, 1298, 1475, 2950, 3085, 3245, 6170, 6490, 6787, 13574, 15425, 16225, 30850, 32450, 33935, 36403, 67870, 72806, 169675, 182015, 339350, 364030, 400433, 800866, 910075, 1820150, 2002165, 4004330, 10010825, 20021650]

約数ペア:

[(1, 20021650), (2, 10010825), (5, 4004330), (10, 2002165), (11, 1820150), (22, 910075), (25, 800866), (50, 400433), (55, 364030), (59, 339350), (110, 182015), (118, 169675), (275, 72806), (295, 67870), (550, 36403), (590, 33935), (617, 32450), (649, 30850), (1234, 16225), (1298, 15425), (1475, 13574), (2950, 6787), (3085, 6490), (3245, 6170)]