20351824

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9151}}^1$

素因数の和:9298

約数の個数: 20

約数和(自身を含む): 39719680

約数和(自身を除く): 19367856

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9151, 18302, 36604, 73208, 146416, 1271989, 2543978, 5087956, 10175912, 20351824]

約数ペア:

[(1, 20351824), (2, 10175912), (4, 5087956), (8, 2543978), (16, 1271989), (139, 146416), (278, 73208), (556, 36604), (1112, 18302), (2224, 9151)]