20830840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27409}}^1$

素因数の和:27439

約数の個数: 32

約数和(自身を含む): 49338000

約数和(自身を除く): 28507160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27409, 54818, 109636, 137045, 219272, 274090, 520771, 548180, 1041542, 1096360, 2083084, 2603855, 4166168, 5207710, 10415420, 20830840]

約数ペア:

[(1, 20830840), (2, 10415420), (4, 5207710), (5, 4166168), (8, 2603855), (10, 2083084), (19, 1096360), (20, 1041542), (38, 548180), (40, 520771), (76, 274090), (95, 219272), (152, 137045), (190, 109636), (380, 54818), (760, 27409)]