20546600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5407}}^1$

素因数の和:5442

約数の個数: 48

約数和(自身を含む): 50294400

約数和(自身を除く): 29747800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5407, 10814, 21628, 27035, 43256, 54070, 102733, 108140, 135175, 205466, 216280, 270350, 410932, 513665, 540700, 821864, 1027330, 1081400, 2054660, 2568325, 4109320, 5136650, 10273300, 20546600]

約数ペア:

[(1, 20546600), (2, 10273300), (4, 5136650), (5, 4109320), (8, 2568325), (10, 2054660), (19, 1081400), (20, 1027330), (25, 821864), (38, 540700), (40, 513665), (50, 410932), (76, 270350), (95, 216280), (100, 205466), (152, 135175), (190, 108140), (200, 102733), (380, 54070), (475, 43256), (760, 27035), (950, 21628), (1900, 10814), (3800, 5407)]