20320120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26737}}^1$

素因数の和:26767

約数の個数: 32

約数和(自身を含む): 48128400

約数和(自身を除く): 27808280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26737, 53474, 106948, 133685, 213896, 267370, 508003, 534740, 1016006, 1069480, 2032012, 2540015, 4064024, 5080030, 10160060, 20320120]

約数ペア:

[(1, 20320120), (2, 10160060), (4, 5080030), (5, 4064024), (8, 2540015), (10, 2032012), (19, 1069480), (20, 1016006), (38, 534740), (40, 508003), (76, 267370), (95, 213896), (152, 133685), (190, 106948), (380, 53474), (760, 26737)]