20861200

素因数分解:

$2^4\times 5^2\times {\mathrm{52153}}^1$

素因数の和:52171

約数の個数: 30

約数和(自身を含む): 50119994

約数和(自身を除く): 29258794

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 52153, 104306, 208612, 260765, 417224, 521530, 834448, 1043060, 1303825, 2086120, 2607650, 4172240, 5215300, 10430600, 20861200]

約数ペア:

[(1, 20861200), (2, 10430600), (4, 5215300), (5, 4172240), (8, 2607650), (10, 2086120), (16, 1303825), (20, 1043060), (25, 834448), (40, 521530), (50, 417224), (80, 260765), (100, 208612), (200, 104306), (400, 52153)]