20765200

素因数分解:

$2^4\times 5^2\times {\mathrm{51913}}^1$

素因数の和:51931

約数の個数: 30

約数和(自身を含む): 49889354

約数和(自身を除く): 29124154

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51913, 103826, 207652, 259565, 415304, 519130, 830608, 1038260, 1297825, 2076520, 2595650, 4153040, 5191300, 10382600, 20765200]

約数ペア:

[(1, 20765200), (2, 10382600), (4, 5191300), (5, 4153040), (8, 2595650), (10, 2076520), (16, 1297825), (20, 1038260), (25, 830608), (40, 519130), (50, 415304), (80, 259565), (100, 207652), (200, 103826), (400, 51913)]