20480440

素因数分解:

$2^3\times 5^1\times {\mathrm{512011}}^1$

素因数の和:512022

約数の個数: 16

約数和(自身を含む): 46081080

約数和(自身を除く): 25600640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 512011, 1024022, 2048044, 2560055, 4096088, 5120110, 10240220, 20480440]

約数ペア:

[(1, 20480440), (2, 10240220), (4, 5120110), (5, 4096088), (8, 2560055), (10, 2048044), (20, 1024022), (40, 512011)]