20164091900

素因数分解:

$2^2\times 5^2\times {\mathrm{201640919}}^1$

素因数の和:201640933

約数の個数: 18

約数和(自身を含む): 43756079640

約数和(自身を除く): 23591987740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201640919, 403281838, 806563676, 1008204595, 2016409190, 4032818380, 5041022975, 10082045950, 20164091900]

約数ペア:

[(1, 20164091900), (2, 10082045950), (4, 5041022975), (5, 4032818380), (10, 2016409190), (20, 1008204595), (25, 806563676), (50, 403281838), (100, 201640919)]