20197600

素因数分解:

$2^5\times 5^2\times {\mathrm{25247}}^1$

素因数の和:25267

約数の個数: 36

約数和(自身を含む): 49309344

約数和(自身を除く): 29111744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25247, 50494, 100988, 126235, 201976, 252470, 403952, 504940, 631175, 807904, 1009880, 1262350, 2019760, 2524700, 4039520, 5049400, 10098800, 20197600]

約数ペア:

[(1, 20197600), (2, 10098800), (4, 5049400), (5, 4039520), (8, 2524700), (10, 2019760), (16, 1262350), (20, 1009880), (25, 807904), (32, 631175), (40, 504940), (50, 403952), (80, 252470), (100, 201976), (160, 126235), (200, 100988), (400, 50494), (800, 25247)]