16620448

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{39953}}^1$

素因数の和:39976

約数の個数: 24

約数和(自身を含む): 35239428

約数和(自身を除く): 18618980

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 39953, 79906, 159812, 319624, 519389, 639248, 1038778, 1278496, 2077556, 4155112, 8310224, 16620448]

約数ペア:

[(1, 16620448), (2, 8310224), (4, 4155112), (8, 2077556), (13, 1278496), (16, 1038778), (26, 639248), (32, 519389), (52, 319624), (104, 159812), (208, 79906), (416, 39953)]