20902168

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2939}}^1$

素因数の和:3079

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 24256232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 2939, 3556, 5878, 7112, 11756, 20573, 23512, 41146, 82292, 164584, 373253, 746506, 1493012, 2612771, 2986024, 5225542, 10451084, 20902168]

約数ペア:

[(1, 20902168), (2, 10451084), (4, 5225542), (7, 2986024), (8, 2612771), (14, 1493012), (28, 746506), (56, 373253), (127, 164584), (254, 82292), (508, 41146), (889, 23512), (1016, 20573), (1778, 11756), (2939, 7112), (3556, 5878)]