20094520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5179}}^1$

素因数の和:5287

約数の個数: 32

約数和(自身を含む): 45687600

約数和(自身を除く): 25593080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 5179, 10358, 20716, 25895, 41432, 51790, 103580, 207160, 502363, 1004726, 2009452, 2511815, 4018904, 5023630, 10047260, 20094520]

約数ペア:

[(1, 20094520), (2, 10047260), (4, 5023630), (5, 4018904), (8, 2511815), (10, 2009452), (20, 1004726), (40, 502363), (97, 207160), (194, 103580), (388, 51790), (485, 41432), (776, 25895), (970, 20716), (1940, 10358), (3880, 5179)]