20931100

素因数分解:

$2^2\times 5^2\times {\mathrm{209311}}^1$

素因数の和:209325

約数の個数: 18

約数和(自身を含む): 45420704

約数和(自身を除く): 24489604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 209311, 418622, 837244, 1046555, 2093110, 4186220, 5232775, 10465550, 20931100]

約数ペア:

[(1, 20931100), (2, 10465550), (4, 5232775), (5, 4186220), (10, 2093110), (20, 1046555), (25, 837244), (50, 418622), (100, 209311)]