20199251900

素因数分解:

$2^2\times 5^2\times {\mathrm{201992519}}^1$

素因数の和:201992533

約数の個数: 18

約数和(自身を含む): 43832376840

約数和(自身を除く): 23633124940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201992519, 403985038, 807970076, 1009962595, 2019925190, 4039850380, 5049812975, 10099625950, 20199251900]

約数ペア:

[(1, 20199251900), (2, 10099625950), (4, 5049812975), (5, 4039850380), (10, 2019925190), (20, 1009962595), (25, 807970076), (50, 403985038), (100, 201992519)]