20169640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26539}}^1$

素因数の和:26569

約数の個数: 32

約数和(自身を含む): 47772000

約数和(自身を除く): 27602360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26539, 53078, 106156, 132695, 212312, 265390, 504241, 530780, 1008482, 1061560, 2016964, 2521205, 4033928, 5042410, 10084820, 20169640]

約数ペア:

[(1, 20169640), (2, 10084820), (4, 5042410), (5, 4033928), (8, 2521205), (10, 2016964), (19, 1061560), (20, 1008482), (38, 530780), (40, 504241), (76, 265390), (95, 212312), (152, 132695), (190, 106156), (380, 53078), (760, 26539)]