20597248

素因数分解:

$2^9\times 7^2\times {\mathrm{821}}^1$

素因数の和:853

約数の個数: 60

約数和(自身を含む): 47931642

約数和(自身を除く): 27334394

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 821, 896, 1568, 1642, 1792, 3136, 3284, 3584, 5747, 6272, 6568, 11494, 12544, 13136, 22988, 25088, 26272, 40229, 45976, 52544, 80458, 91952, 105088, 160916, 183904, 210176, 321832, 367808, 420352, 643664, 735616, 1287328, 1471232, 2574656, 2942464, 5149312, 10298624, 20597248]

約数ペア:

[(1, 20597248), (2, 10298624), (4, 5149312), (7, 2942464), (8, 2574656), (14, 1471232), (16, 1287328), (28, 735616), (32, 643664), (49, 420352), (56, 367808), (64, 321832), (98, 210176), (112, 183904), (128, 160916), (196, 105088), (224, 91952), (256, 80458), (392, 52544), (448, 45976), (512, 40229), (784, 26272), (821, 25088), (896, 22988), (1568, 13136), (1642, 12544), (1792, 11494), (3136, 6568), (3284, 6272), (3584, 5747)]