201944620

素因数分解:

$2^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{5021}}^1$

素因数の和:7041

約数の個数: 24

約数和(自身を含む): 424379088

約数和(自身を除く): 222434468

約数列:

[1, 2, 4, 5, 10, 20, 2011, 4022, 5021, 8044, 10042, 10055, 20084, 20110, 25105, 40220, 50210, 100420, 10097231, 20194462, 40388924, 50486155, 100972310, 201944620]

約数ペア:

[(1, 201944620), (2, 100972310), (4, 50486155), (5, 40388924), (10, 20194462), (20, 10097231), (2011, 100420), (4022, 50210), (5021, 40220), (8044, 25105), (10042, 20110), (10055, 20084)]