2019909140

素因数分解:

$2^2\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{25117}}^1$

素因数の和:29147

約数の個数: 24

約数和(自身を含む): 4243033032

約数和(自身を除く): 2223123892

約数列:

[1, 2, 4, 5, 10, 20, 4021, 8042, 16084, 20105, 25117, 40210, 50234, 80420, 100468, 125585, 251170, 502340, 100995457, 201990914, 403981828, 504977285, 1009954570, 2019909140]

約数ペア:

[(1, 2019909140), (2, 1009954570), (4, 504977285), (5, 403981828), (10, 201990914), (20, 100995457), (4021, 502340), (8042, 251170), (16084, 125585), (20105, 100468), (25117, 80420), (40210, 50234)]