20528048

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12703}}^1$

素因数の和:12812

約数の個数: 20

約数和(自身を含む): 40170048

約数和(自身を除く): 19642000

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12703, 25406, 50812, 101624, 203248, 1283003, 2566006, 5132012, 10264024, 20528048]

約数ペア:

[(1, 20528048), (2, 10264024), (4, 5132012), (8, 2566006), (16, 1283003), (101, 203248), (202, 101624), (404, 50812), (808, 25406), (1616, 12703)]