20528360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27011}}^1$

素因数の和:27041

約数の個数: 32

約数和(自身を含む): 48621600

約数和(自身を除く): 28093240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27011, 54022, 108044, 135055, 216088, 270110, 513209, 540220, 1026418, 1080440, 2052836, 2566045, 4105672, 5132090, 10264180, 20528360]

約数ペア:

[(1, 20528360), (2, 10264180), (4, 5132090), (5, 4105672), (8, 2566045), (10, 2052836), (19, 1080440), (20, 1026418), (38, 540220), (40, 513209), (76, 270110), (95, 216088), (152, 135055), (190, 108044), (380, 54022), (760, 27011)]