20798224

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4153}}^1$

素因数の和:4474

約数の個数: 20

約数和(自身を含む): 40435036

約数和(自身を除く): 19636812

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 4153, 5008, 8306, 16612, 33224, 66448, 1299889, 2599778, 5199556, 10399112, 20798224]

約数ペア:

[(1, 20798224), (2, 10399112), (4, 5199556), (8, 2599778), (16, 1299889), (313, 66448), (626, 33224), (1252, 16612), (2504, 8306), (4153, 5008)]