20040608

素因数分解:

$2^5\times 7^2\times {\mathrm{12781}}^1$

素因数の和:12805

約数の個数: 36

約数和(自身を含む): 45900162

約数和(自身を除く): 25859554

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12781, 25562, 51124, 89467, 102248, 178934, 204496, 357868, 408992, 626269, 715736, 1252538, 1431472, 2505076, 2862944, 5010152, 10020304, 20040608]

約数ペア:

[(1, 20040608), (2, 10020304), (4, 5010152), (7, 2862944), (8, 2505076), (14, 1431472), (16, 1252538), (28, 715736), (32, 626269), (49, 408992), (56, 357868), (98, 204496), (112, 178934), (196, 102248), (224, 89467), (392, 51124), (784, 25562), (1568, 12781)]