20145940900

素因数分解:

$2^2\times 5^2\times {\mathrm{201459409}}^1$

素因数の和:201459423

約数の個数: 18

約数和(自身を含む): 43716691970

約数和(自身を除く): 23570751070

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201459409, 402918818, 805837636, 1007297045, 2014594090, 4029188180, 5036485225, 10072970450, 20145940900]

約数ペア:

[(1, 20145940900), (2, 10072970450), (4, 5036485225), (5, 4029188180), (10, 2014594090), (20, 1007297045), (25, 805837636), (50, 402918818), (100, 201459409)]