20973990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{699133}}^1$

素因数の和:699143

約数の個数: 16

約数和(自身を含む): 50337648

約数和(自身を除く): 29363658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 699133, 1398266, 2097399, 3495665, 4194798, 6991330, 10486995, 20973990]

約数ペア:

[(1, 20973990), (2, 10486995), (3, 6991330), (5, 4194798), (6, 3495665), (10, 2097399), (15, 1398266), (30, 699133)]