20580784

素因数分解:

$2^4\times 7^2\times {\mathrm{26251}}^1$

素因数の和:26273

約数の個数: 30

約数和(自身を含む): 46387284

約数和(自身を除く): 25806500

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26251, 52502, 105004, 183757, 210008, 367514, 420016, 735028, 1286299, 1470056, 2572598, 2940112, 5145196, 10290392, 20580784]

約数ペア:

[(1, 20580784), (2, 10290392), (4, 5145196), (7, 2940112), (8, 2572598), (14, 1470056), (16, 1286299), (28, 735028), (49, 420016), (56, 367514), (98, 210008), (112, 183757), (196, 105004), (392, 52502), (784, 26251)]