20163815440

素因数分解:

$2^4\times 5^1\times {\mathrm{252047693}}^1$

素因数の和:252047706

約数の個数: 20

約数和(自身を含む): 46880871084

約数和(自身を除く): 26717055644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252047693, 504095386, 1008190772, 1260238465, 2016381544, 2520476930, 4032763088, 5040953860, 10081907720, 20163815440]

約数ペア:

[(1, 20163815440), (2, 10081907720), (4, 5040953860), (5, 4032763088), (8, 2520476930), (10, 2016381544), (16, 1260238465), (20, 1008190772), (40, 504095386), (80, 252047693)]