20000490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666683}}^1$

素因数の和:666693

約数の個数: 16

約数和(自身を含む): 48001248

約数和(自身を除く): 28000758

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666683, 1333366, 2000049, 3333415, 4000098, 6666830, 10000245, 20000490]

約数ペア:

[(1, 20000490), (2, 10000245), (3, 6666830), (5, 4000098), (6, 3333415), (10, 2000049), (15, 1333366), (30, 666683)]