19853920

素因数分解:

$2^5\times 5^1\times {\mathrm{124087}}^1$

素因数の和:124102

約数の個数: 24

約数和(自身を含む): 46905264

約数和(自身を除く): 27051344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124087, 248174, 496348, 620435, 992696, 1240870, 1985392, 2481740, 3970784, 4963480, 9926960, 19853920]

約数ペア:

[(1, 19853920), (2, 9926960), (4, 4963480), (5, 3970784), (8, 2481740), (10, 1985392), (16, 1240870), (20, 992696), (32, 620435), (40, 496348), (80, 248174), (160, 124087)]