20411900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12007}}^1$

素因数の和:12038

約数の個数: 36

約数和(自身を含む): 46903248

約数和(自身を除く): 26491348

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12007, 24014, 48028, 60035, 120070, 204119, 240140, 300175, 408238, 600350, 816476, 1020595, 1200700, 2041190, 4082380, 5102975, 10205950, 20411900]

約数ペア:

[(1, 20411900), (2, 10205950), (4, 5102975), (5, 4082380), (10, 2041190), (17, 1200700), (20, 1020595), (25, 816476), (34, 600350), (50, 408238), (68, 300175), (85, 240140), (100, 204119), (170, 120070), (340, 60035), (425, 48028), (850, 24014), (1700, 12007)]